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2025-11-26 16:16:56
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https://api.github.com/repos/huggingface/datasets/issues/7504
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2,979,410,641
I_kwDODunzps6xljLR
7,504
BuilderConfig ParquetConfig(...) doesn't have a 'use_auth_token' key.
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[ "I encountered the same error, have you resolved it?", "Hi ! `use_auth_token` has been deprecated and removed some time ago. You should use `token` instead in `load_dataset()`", "Hi @lhoestq, I'd like to take this up.\n\nAs discussed in #7504, the issue arises when `use_auth_token` is passed to `load_dataset`, ...
2025-04-08T10:55:03
2025-06-28T09:18:09
null
NONE
null
null
null
null
### Describe the bug Trying to run the following fine-tuning script (based on this page [here](https://github.com/huggingface/instruction-tuned-sd)): ``` ! accelerate launch /content/instruction-tuned-sd/finetune_instruct_pix2pix.py \ --pretrained_model_name_or_path=${MODEL_ID} \ --dataset_name=${DATASET_NAME...
null
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2,978,512,625
I_kwDODunzps6xiH7x
7,503
Inconsistency between load_dataset and load_from_disk functionality
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[ "Hi ! you can find more info here: https://github.com/huggingface/datasets/issues/5044#issuecomment-1263714347\n\n> What's the recommended approach for this use case? Should I manually process my gsm8k-new dataset to make it compatible with load_dataset? Is there a standard way to convert between these formats?\n\n...
2025-04-08T03:46:22
2025-06-28T08:51:16
null
NONE
null
null
null
null
## Issue Description I've encountered confusion when using `load_dataset` and `load_from_disk` in the datasets library. Specifically, when working offline with the gsm8k dataset, I can load it using a local path: ```python import datasets ds = datasets.load_dataset('/root/xxx/datasets/gsm8k', 'main') ``` output: ```t...
null
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2,977,453,814
I_kwDODunzps6xeFb2
7,502
`load_dataset` of size 40GB creates a cache of >720GB
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[ "Hi ! Parquet is a compressed format. When you load a dataset, it uncompresses the Parquet data into Arrow data on your disk. That's why you can indeed end up with 720GB of uncompressed data on disk. The uncompression is needed to enable performant dataset objects (especially for random access).\n\nTo save some sto...
2025-04-07T16:52:34
2025-04-15T15:22:12
2025-04-15T15:22:11
NONE
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Hi there, I am trying to load a dataset from the Hugging Face Hub and split it into train and validation splits. Somehow, when I try to do it with `load_dataset`, it exhausts my disk quota. So, I tried manually downloading the parquet files from the hub and loading them as follows: ```python ds = DatasetDict( ...
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7 days, 22:29:37
https://api.github.com/repos/huggingface/datasets/issues/7501
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2,976,721,014
I_kwDODunzps6xbSh2
7,501
Nested Feature raises ArrowNotImplementedError: Unsupported cast using function cast_struct
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[ "Solved by the default `load_dataset(features)` parameters. Do not use `Sequence` for the `list` in `list[any]` json schema, just simply use `[]`. For example, `\"b\": Sequence({...})` fails but `\"b\": [{...}]` works fine." ]
2025-04-07T12:35:39
2025-04-07T12:43:04
2025-04-07T12:43:03
NONE
null
null
null
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### Describe the bug `datasets.Features` seems to be unable to handle json file that contains fields of `list[dict]`. ### Steps to reproduce the bug ```json // test.json {"a": 1, "b": [{"c": 2, "d": 3}, {"c": 4, "d": 5}]} {"a": 5, "b": [{"c": 7, "d": 8}, {"c": 9, "d": 10}]} ``` ```python import json from datasets i...
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2,974,841,921
I_kwDODunzps6xUHxB
7,500
Make `with_format` correctly indicate that a `Dataset` is compatible with PyTorch's `Dataset` class
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[ "Does the torch `DataLoader` really require the dataset to be a subclass of `torch.utils.data.Dataset` ? Or is there a simpler type we could use ?\n\nPS: also note that a dataset without `with_format()` can also be used in a torch `DataLoader` . Calling `with_format(\"torch\")` simply makes the output of the datase...
2025-04-06T09:56:09
2025-04-15T12:57:39
null
NONE
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### Feature request Currently `datasets` does not correctly indicate to the Python type-checker (e.g. `pyright` / `Pylance`) that the output of `with_format` is compatible with PyTorch's `Dataloader` since it does not indicate that the HuggingFace `Dataset` is compatible with the PyTorch `Dataset` class. It would be g...
null
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2,969,218,273
I_kwDODunzps6w-qzh
7,498
Extreme memory bandwidth.
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2025-04-03T11:09:08
2025-04-03T11:11:22
null
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### Describe the bug When I use hf datasets on 4 GPU with 40 workers I get some extreme memory bandwidth of constant ~3GB/s. However, if I wrap the dataset in `IterableDataset`, this issue is gone and the data also loads way faster (4x faster training on 1 worker). It seems like the workers don't share memory and b...
null
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2,968,553,693
I_kwDODunzps6w8Ijd
7,497
How to convert videos to images?
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[ "Hi ! there is some documentation here on how to read video frames: https://huggingface.co/docs/datasets/video_load" ]
2025-04-03T07:08:39
2025-04-15T12:35:15
null
NONE
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### Feature request Does someone know how to return the images from videos? ### Motivation I am trying to use openpi(https://github.com/Physical-Intelligence/openpi) to finetune my Lerobot dataset(V2.0 and V2.1). I find that although the codedaset is v2.0, they are different. It seems like Lerobot V2.0 has two versi...
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2,967,345,522
I_kwDODunzps6w3hly
7,496
Json builder: Allow features to override problematic Arrow types
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[ "Hi ! It would be cool indeed, currently the JSON data are generally loaded here: \n\nhttps://github.com/huggingface/datasets/blob/90e5bf8a8599b625d6103ee5ac83b98269991141/src/datasets/packaged_modules/json/json.py#L137-L140\n\nMaybe we can pass a Arrow `schema` to avoid errors ?" ]
2025-04-02T19:27:16
2025-04-15T13:06:09
null
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### Feature request In the JSON builder, use explicitly requested feature types before or while converting to Arrow. ### Motivation Working with JSON datasets is really hard because of Arrow. At the very least, it seems like it should be possible to work-around these problems by explicitly setting problematic colum...
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2,967,034,060
I_kwDODunzps6w2VjM
7,495
Columns in the dataset obtained though load_dataset do not correspond to the one in the dataset viewer since 3.4.0
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[ "Hi, the dataset viewer shows all the possible columns and their types, but `load_dataset()` iterates through all the columns that you defined. It seems that you only have one column (‘audio’) defined in your dataset because when I ran `print(ds.column_names)`, the only name I got was “audio”. You need to clearly d...
2025-04-02T17:01:11
2025-07-02T23:24:57
2025-07-02T23:24:57
CONTRIBUTOR
null
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### Describe the bug I have noticed that on my dataset named [BrunoHays/Accueil_UBS](https://huggingface.co/datasets/BrunoHays/Accueil_UBS), since the version 3.4.0, every column except audio is missing when I load the dataset. Interestingly, the dataset viewer still shows the correct columns ### Steps to reproduce ...
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91 days, 6:23:46
https://api.github.com/repos/huggingface/datasets/issues/7494
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2,965,347,685
I_kwDODunzps6wv51l
7,494
Broken links in pdf loading documentation
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[ "thanks for reporting ! I fixed the links, the docs will be updated in the next release" ]
2025-04-02T06:45:22
2025-04-15T13:36:25
2025-04-15T13:36:04
NONE
null
null
null
null
### Describe the bug Hi, just a couple of small issues I ran into while reading the docs for [loading pdf data](https://huggingface.co/docs/datasets/main/en/document_load): 1. The link for the [`Create a pdf dataset`](https://huggingface.co/docs/datasets/main/en/document_load#pdffolder) points to https://huggingface....
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13 days, 6:50:42
https://api.github.com/repos/huggingface/datasets/issues/7493
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2,964,025,179
I_kwDODunzps6wq29b
7,493
push_to_hub does not upload videos
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[ "Hi ! the `Video` type is still experimental, and in particular `push_to_hub` doesn't upload videos at the moment (only the paths).\n\nThere is an open question to either upload the videos inside the Parquet files, or rather have them as separate files (which is great to enable remote seeking/streaming)", "im hav...
2025-04-01T17:00:20
2025-09-02T10:32:36
null
NONE
null
null
null
null
### Describe the bug Hello, I would like to upload a video dataset (some .mp4 files and some segments within them), i.e. rows correspond to subsequences from videos. Videos might be referenced by several rows. I created a dataset locally and it references the videos and the video readers can read them correctly. I u...
null
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2,954,042,179
I_kwDODunzps6wExtD
7,486
`shared_datadir` fixture is missing
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[ "OK I was missing the `pytest-datadir` package. Sorry for the noise!" ]
2025-03-27T18:17:12
2025-03-27T19:49:11
2025-03-27T19:49:10
NONE
null
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### Describe the bug Running the tests for the latest release fails due to missing `shared_datadir` fixture. ### Steps to reproduce the bug Running `pytest` while building a package for Arch Linux leads to these errors: ``` ==================================== ERRORS ==================================== _________ E...
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1:31:58
https://api.github.com/repos/huggingface/datasets/issues/7481
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2,950,692,971
I_kwDODunzps6v4ABr
7,481
deal with python `10_000` legal number in slice syntax
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[ "should be an easy fix, I opened a PR" ]
2025-03-26T20:10:54
2025-03-28T16:20:44
2025-03-28T16:20:44
NONE
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### Feature request ``` In [6]: ds = datasets.load_dataset("HuggingFaceH4/ultrachat_200k", split="train_sft[:1000]") In [7]: ds = datasets.load_dataset("HuggingFaceH4/ultrachat_200k", split="train_sft[:1_000]") [dozens of frames skipped] File /usr/local/lib/python3.10/dist-packages/datasets/arrow_reader.py:444, in _s...
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1 day, 20:09:50
https://api.github.com/repos/huggingface/datasets/issues/7480
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2,950,315,214
I_kwDODunzps6v2jzO
7,480
HF_DATASETS_CACHE ignored?
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[ "FWIW, it does eventually write to /tmp/roller/datasets when generating the final version.", "Hey, I’d love to work on this issue but I am a beginner, can I work it with you?", "Hi @lhoestq,\nI'd like to look into this issue but I'm still learning. Could you share any quick pointers on the HF_DATASETS_CACHE beh...
2025-03-26T17:19:34
2025-10-23T15:59:18
null
NONE
null
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### Describe the bug I'm struggling to get things to respect HF_DATASETS_CACHE. Rationale: I'm on a system that uses NFS for homedir, so downloading to NFS is expensive, slow, and wastes valuable quota compared to local disk. Instead, it seems to rely mostly on HF_HUB_CACHE. Current version: 3.2.1dev. In the process...
null
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2,950,235,396
I_kwDODunzps6v2QUE
7,479
Features.from_arrow_schema is destructive
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2025-03-26T16:46:43
2025-03-26T16:46:58
null
CONTRIBUTOR
null
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### Describe the bug I came across this, perhaps niche, bug where `Features` does not/cannot account for pyarrow's `nullable=False` option in Fields. Interestingly, I found that in regular "flat" fields this does not necessarily lead to conflicts, but when a non-nullable field is in a struct, an incompatibility arises...
null
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2,947,169,460
I_kwDODunzps6vqjy0
7,477
What is the canonical way to compress a Dataset?
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[ "I saw this post by @lhoestq: https://discuss.huggingface.co/t/increased-arrow-table-size-by-factor-of-2/26561/4 suggesting that there is at least some internal code for writing sharded parquet datasets non-concurrently. This appears to be that code: https://github.com/huggingface/datasets/blob/94ccd1b4fada8a92cea...
2025-03-25T16:47:51
2025-04-03T09:13:11
null
NONE
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Given that Arrow is the preferred backend for a Dataset, what is a user supposed to do if they want concurrent reads, concurrent writes AND on-disk compression for a larger dataset? Parquet would be the obvious answer except that there is no native support for writing sharded, parquet datasets concurrently [[1](https:...
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7,475
IterableDataset's state_dict shard_example_idx is always equal to the number of samples in a shard
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[ "Hey, I’d love to work on this issue but I am a beginner, can I work it with you?", "Hello. I'm sorry but I don't have much time to get in the details for now.\nHave you managed to reproduce the issue with the code provided ?\nIf you want to work on it, you can self-assign and ask @lhoestq for directions", "Hi ...
2025-03-25T13:58:07
2025-05-06T14:22:19
2025-05-06T14:05:07
CONTRIBUTOR
null
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### Describe the bug I've noticed a strange behaviour with Iterable state_dict: the value of shard_example_idx is always equal to the amount of samples in a shard. ### Steps to reproduce the bug I am reusing the example from the doc ```python from datasets import Dataset ds = Dataset.from_dict({"a": range(6)}).to_...
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42 days, 0:07:00
https://api.github.com/repos/huggingface/datasets/issues/7473
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7,473
Webdataset data format problem
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[ "I was able to work around it" ]
2025-03-21T17:23:52
2025-03-21T19:19:58
2025-03-21T19:19:58
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### Describe the bug Please see https://huggingface.co/datasets/ejschwartz/idioms/discussions/1 Error code: FileFormatMismatchBetweenSplitsError All three splits, train, test, and validation, use webdataset. But only the train split has more than one file. How can I force the other two splits to also be interpreted ...
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7,472
Label casting during `map` process is canceled after the `map` process
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[ "Hi ! By default `map()` tries to keep the types of each column of the dataset, so here it reuses the int type since all your float values can be converted to integers. But I agree it would be nice to store float values as float values and don't try to reuse the same type in this case.\n\nIn the meantime, you can e...
2025-03-21T07:56:22
2025-04-10T05:11:15
2025-04-10T05:11:14
CONTRIBUTOR
null
null
null
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### Describe the bug When preprocessing a multi-label dataset, I introduced a step to convert int labels to float labels as [BCEWithLogitsLoss](https://pytorch.org/docs/stable/generated/torch.nn.BCEWithLogitsLoss.html) expects float labels and forward function of models in transformers package internally use `BCEWithL...
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19 days, 21:14:52
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7,471
Adding argument to `_get_data_files_patterns`
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[ "Hi ! The pattern can be specified in advance in YAML in the README.md of the dataset :)\n\nFor example\n\n```\n---\nconfigs:\n- config_name: default\n data_files:\n - split: train\n path: \"train/*\"\n - split: test\n path: \"test/*\"\n---\n```\n\nSee the docs at https://huggingface.co/docs/hub/en/dataset...
2025-03-21T07:17:53
2025-03-27T12:30:52
2025-03-26T07:26:27
NONE
null
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### Feature request How about adding if the user already know about the pattern? https://github.com/huggingface/datasets/blob/a256b85cbc67aa3f0e75d32d6586afc507cf535b/src/datasets/data_files.py#L252 ### Motivation While using this load_dataset people might use 10M of images for the local files. However, due to sear...
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5 days, 0:08:34
https://api.github.com/repos/huggingface/datasets/issues/7470
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2,937,236,323
I_kwDODunzps6vEqtj
7,470
Is it possible to shard a single-sharded IterableDataset?
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[ "Hi ! Maybe you can look for an option in your dataset to partition your data based on a deterministic filter ? For example each worker could stream the data based on `row.id % num_shards` or something like that ?", "So the recommendation is to start out with multiple shards initially and re-sharding after is not...
2025-03-21T04:33:37
2025-11-22T07:55:43
2025-03-26T06:49:28
NONE
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I thought https://github.com/huggingface/datasets/pull/7252 might be applicable but looking at it maybe not. Say we have a process, eg. a database query, that can return data in slightly different order each time. So, the initial query needs to be run by a single thread (not to mention running multiple times incurs mo...
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5 days, 2:15:51
https://api.github.com/repos/huggingface/datasets/issues/7469
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2,936,606,080
I_kwDODunzps6vCQ2A
7,469
Custom split name with the web interface
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2025-03-20T20:45:59
2025-03-21T07:20:37
2025-03-21T07:20:37
NONE
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### Describe the bug According the doc here: https://huggingface.co/docs/hub/datasets-file-names-and-splits#custom-split-name it should infer the split name from the subdir of data or the beg of the name of the files in data. When doing this manually through web upload it does not work. it uses "train" as a unique spl...
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10:34:38
https://api.github.com/repos/huggingface/datasets/issues/7468
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2,934,094,103
I_kwDODunzps6u4rkX
7,468
function `load_dataset` can't solve folder path with regex characters like "[]"
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[ "Hi ! Have you tried escaping the glob special characters `[` and `]` ?\n\nbtw note that`AbstractFileSystem.glob` doesn't support regex, instead it supports glob patterns as in the python library [glob](https://docs.python.org/3/library/glob.html)\n" ]
2025-03-20T05:21:59
2025-03-25T10:18:12
null
NONE
null
null
null
null
### Describe the bug When using the `load_dataset` function with a folder path containing regex special characters (such as "[]"), the issue occurs due to how the path is handled in the `resolve_pattern` function. This function passes the unprocessed path directly to `AbstractFileSystem.glob`, which supports regular e...
null
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2,930,067,107
I_kwDODunzps6upUaj
7,467
load_dataset with streaming hangs on parquet datasets
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[ "Hi ! The issue comes from `pyarrow`, I reported it here: https://github.com/apache/arrow/issues/45214 (feel free to comment / thumb up).\n\nAlternatively we can try to find something else than `ParquetFileFragment.to_batches()` to iterate on Parquet data and keep the option the pass `filters=`..." ]
2025-03-18T23:33:54
2025-03-25T10:28:04
null
NONE
null
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### Describe the bug When I try to load a dataset with parquet files (e.g. "bigcode/the-stack") the dataset loads, but python interpreter can't exit and hangs ### Steps to reproduce the bug ```python3 import datasets print('Start') dataset = datasets.load_dataset("bigcode/the-stack", data_dir="data/yaml", streaming...
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2,925,608,123
I_kwDODunzps6uYTy7
7,461
List of images behave differently on IterableDataset and Dataset
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[ "Hi ! Can you try with `datasets` ^3.4 released recently ? on my side it works with IterableDataset on the recent version :)\n\n```python\nIn [20]: def train_iterable_gen():\n ...: images = np.array(load_image(\"https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg\")...
2025-03-17T15:59:23
2025-03-18T08:57:17
2025-03-18T08:57:16
NONE
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### Describe the bug This code: ```python def train_iterable_gen(): images = np.array(load_image("https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg").resize((128, 128))) yield { "images": np.expand_dims(images, axis=0), "messages": [ ...
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16:57:53
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2,925,403,528
I_kwDODunzps6uXh2I
7,458
Loading the `laion/filtered-wit` dataset in streaming mode fails on v3.4.0
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[ "thanks for reporting, I released 3.4.1 with a fix" ]
2025-03-17T14:54:02
2025-03-17T16:02:04
2025-03-17T15:25:55
NONE
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### Describe the bug Loading https://huggingface.co/datasets/laion/filtered-wit in streaming mode fails after update to `datasets==3.4.0`. The dataset loads fine on v3.3.2. ### Steps to reproduce the bug Steps to reproduce: ``` pip install datastes==3.4.0 python -c "from datasets import load_dataset; load_dataset('l...
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2,924,886,467
I_kwDODunzps6uVjnD
7,457
Document the HF_DATASETS_CACHE env variable
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[ "Strongly agree to this, in addition, I am also suffering to change the cache location similar to other issues (since I changed the environmental variables).\nhttps://github.com/huggingface/datasets/issues/6886", "`HF_DATASETS_CACHE` should be documented there indeed, feel free to open a PR :) ", "Hey, I’d love...
2025-03-17T12:24:50
2025-05-06T15:54:39
2025-05-06T15:54:39
NONE
null
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### Feature request Hello, I have a use case where my team is sharing models and dataset in shared directory to avoid duplication. I noticed that the [cache documentation for datasets](https://huggingface.co/docs/datasets/main/en/cache) only mention the `HF_HOME` environment variable but never the `HF_DATASETS_CACHE`...
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50 days, 3:29:49
https://api.github.com/repos/huggingface/datasets/issues/7456
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2,922,676,278
I_kwDODunzps6uNIA2
7,456
.add_faiss_index and .add_elasticsearch_index returns ImportError at Google Colab
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[ "I can fix this.\nIt's mainly because faiss-gpu requires python<=3.10 but the default python version in colab is 3.11. We just have to downgrade the CPython version down to 3.10 and it should work fine.\n", "I think I just had no chance to meet with faiss-cpu.\nIt could be import problem? \n_has_faiss gets its va...
2025-03-16T00:51:49
2025-03-17T15:57:19
null
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### Describe the bug At Google Colab ```!pip install faiss-cpu``` works ```import faiss``` no error but ```embeddings_dataset.add_faiss_index(column='embeddings')``` returns ``` [/usr/local/lib/python3.11/dist-packages/datasets/search.py](https://localhost:8080/#) in init(self, device, string_factory, metric_type, cus...
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I_kwDODunzps6uKSnC
7,455
Problems with local dataset after upgrade from 3.3.2 to 3.4.0
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[ "Hi ! I just released 3.4.1 with a fix, let me know if it's working now !" ]
2025-03-15T09:22:50
2025-03-17T16:20:43
null
NONE
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### Describe the bug I was not able to open a local saved dataset anymore that was created using an older datasets version after the upgrade yesterday from datasets 3.3.2 to 3.4.0 The traceback is ``` Traceback (most recent call last): File "/usr/local/lib/python3.10/dist-packages/datasets/packaged_modules/arrow/...
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7,449
Cannot load data with different schemas from different parquet files
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[ "Hi ! `load_dataset` expects all the data_files to have the same schema.\n\nMaybe you can try enforcing certain `features` using:\n\n```python\nfeatures = Features({\"conversations\": {'content': Value('string'), 'role': Value('string',)}})\nds = load_dataset(..., features=features)\n```", "Thanks! It works if I ...
2025-03-13T08:14:49
2025-03-17T07:27:48
2025-03-17T07:27:46
NONE
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### Describe the bug Cannot load samples with optional fields from different files. The schema cannot be correctly derived. ### Steps to reproduce the bug When I place two samples with an optional field `some_extra_field` within a single parquet file, it can be loaded via `load_dataset`. ```python import pandas as ...
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3 days, 23:12:57
https://api.github.com/repos/huggingface/datasets/issues/7448
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2,916,025,762
I_kwDODunzps6tzwWi
7,448
`datasets.disable_caching` doesn't work
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[ "cc", "Yes I have the same issue. It's a confusingly named function. See [here](https://github.com/huggingface/datasets/blob/main/src/datasets/fingerprint.py#L115-L130)\n\n```\n...\nIf disabled, the library will no longer reload cached datasets files when applying transforms to the datasets.\n More precisely...
2025-03-13T06:40:12
2025-03-22T04:37:07
null
NONE
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When I use `Dataset.from_generator(my_gen)` to load my dataset, it simply skips my changes to the generator function. I tried `datasets.disable_caching`, but it doesn't work!
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2,915,233,248
I_kwDODunzps6twu3g
7,447
Epochs shortened after resuming mid-epoch with Iterable dataset+StatefulDataloader(persistent_workers=True)
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[ "Thanks for reporting ! Maybe we should store the epoch in the state_dict, and then when the dataset is iterated on again after setting a new epoch it should restart from scratch instead of resuming ? wdyt ?", "But why does this only happen when `persistent_workers=True`? I would expect it to work correctly even ...
2025-03-12T21:41:05
2025-07-09T23:04:57
2025-03-14T10:50:10
NONE
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### Describe the bug When `torchdata.stateful_dataloader.StatefulDataloader(persistent_workers=True)` the epochs after resuming only iterate through the examples that were left in the epoch when the training was interrupted. For example, in the script below training is interrupted on step 124 (epoch 1) when 3 batches ...
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1 day, 13:09:05
https://api.github.com/repos/huggingface/datasets/issues/7446
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2,913,050,552
I_kwDODunzps6toZ-4
7,446
pyarrow.lib.ArrowTypeError: Expected dict key of type str or bytes, got 'int'
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[ "I think the Counter object you used in 'labels' may be the issue, since the {2:1} inside is the dict and 2 is the int", "> I think the Counter object you used in 'labels' may be the issue, since the {2:1} inside is the dict and 2 is the int我认为您在 'labels' 中使用的 Counter 对象可能是问题所在,因为里面的 {2:1} 是 dict,而 2 是 int\n\nYes...
2025-03-12T07:48:37
2025-07-04T05:14:45
2025-07-04T05:14:45
NONE
null
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### Describe the bug A dict with its keys are all str but get following error ```python test_data=[{'input_ids':[1,2,3],'labels':[[Counter({2:1})]]}] dataset = datasets.Dataset.from_list(test_data) ``` ```bash pyarrow.lib.ArrowTypeError: Expected dict key of type str or bytes, got 'int' ``` ### Steps to reproduce the...
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113 days, 21:26:08
https://api.github.com/repos/huggingface/datasets/issues/7444
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7,444
Excessive warnings when resuming an IterableDataset+buffered shuffle+DDP.
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[ "I had a similar issue when loading the saved iterable dataset state to fast-forward to the mid-train location before resuming. This happened when I shuffled a concatenated dataset. A `iterable_data_state_dict.json` file was saved during checkpointing in the Trainer with:\n```\ndef _save_rng_state(self, output_dir)...
2025-03-11T16:34:39
2025-11-22T06:45:25
null
NONE
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### Describe the bug I have a large dataset that I shared into 1024 shards and save on the disk during pre-processing. During training, I load the dataset using load_from_disk() and convert it into an iterable dataset, shuffle it and split the shards to different DDP nodes using the recommended method. However, when ...
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2,908,585,656
I_kwDODunzps6tXX64
7,443
index error when num_shards > len(dataset)
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[ "Actually, looking at the code a bit more carefully, maybe an even better solution is to explicitly set `num_shards=len(self)` somewhere inside both `push_to_hub()` and `save_to_disk()` when these functions are invoked with `num_shards > len(dataset)`." ]
2025-03-10T22:40:59
2025-03-10T23:43:08
null
NONE
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In `ds.push_to_hub()` and `ds.save_to_disk()`, `num_shards` must be smaller than or equal to the number of rows in the dataset, but currently this is not checked anywhere inside these functions. Attempting to invoke these functions with `num_shards > len(dataset)` should raise an informative `ValueError`. I frequently...
null
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2,905,543,017
I_kwDODunzps6tLxFp
7,442
Flexible Loader
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[ "Ideally `save_to_disk` should save in a format compatible with load_dataset, wdyt ?", "> Ideally `save_to_disk` should save in a format compatible with load_dataset, wdyt ?\n\nThat would be perfect if not at least a flexible loader.", "@lhoestq For now, you can use this small utility library: [nanoml](https://...
2025-03-09T16:55:03
2025-03-27T23:58:17
null
NONE
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### Feature request Can we have a utility function that will use `load_from_disk` when given the local path and `load_dataset` if given an HF dataset? It can be something as simple as this one: ``` def load_hf_dataset(path_or_name): if os.path.exists(path_or_name): return load_from_disk(path_or_name) ...
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2,904,702,329
I_kwDODunzps6tIj15
7,441
`drop_last_batch` does not drop the last batch using IterableDataset + interleave_datasets + multi_worker
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[ "Hi @memray, I’d like to help fix the issue with `drop_last_batch` not working when `num_workers > 1`. I’ll investigate and propose a solution. Thanks!\n", "Thank you very much for offering to help! I also noticed a problem related to a previous issue and left a comment [here](https://github.com/huggingface/datas...
2025-03-08T10:28:44
2025-10-09T10:14:24
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### Describe the bug See the script below `drop_last_batch=True` is defined using map() for each dataset. The last batch for each dataset is expected to be dropped, id 21-25. The code behaves as expected when num_workers=0 or 1. When using num_workers>1, 'a-11', 'b-11', 'a-12', 'b-12' are gone and instead 21 and 22 a...
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2,903,740,662
I_kwDODunzps6tE5D2
7,440
IterableDataset raises FileNotFoundError instead of retrying
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[ "I have since been training more models with identical architectures over the same dataset, and it is completely unstable. One has now failed at chunk9/1215, whilst others have gotten past that.\n```python\nFileNotFoundError: zstd://example_train_1215.jsonl::hf://datasets/cerebras/SlimPajama-627B@2d0accdd58c5d55119...
2025-03-07T19:14:18
2025-07-22T08:15:44
null
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### Describe the bug In https://github.com/huggingface/datasets/issues/6843 it was noted that the streaming feature of `datasets` is highly susceptible to outages and doesn't back off for long (or even *at all*). I was training a model while streaming SlimPajama and training crashed with a `FileNotFoundError`. I can ...
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2,890,240,400
I_kwDODunzps6sRZGQ
7,433
`Dataset.map` ignores existing caches and remaps when ran with different `num_proc`
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[ "This feels related: https://github.com/huggingface/datasets/issues/3044", "@lhoestq This comment specifically, I agree:\n\n* https://github.com/huggingface/datasets/issues/3044#issuecomment-1239877570\n\n> Almost a year later and I'm in a similar boat. Using custom fingerprints and when using multiprocessing the...
2025-03-03T05:51:26
2025-05-12T15:14:09
2025-05-12T15:14:09
NONE
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### Describe the bug If you `map` a dataset and save it to a specific `cache_file_name` with a specific `num_proc`, and then call map again with that same existing `cache_file_name` but a different `num_proc`, the dataset will be re-mapped. ### Steps to reproduce the bug 1. Download a dataset ```python import datase...
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70 days, 9:22:43
https://api.github.com/repos/huggingface/datasets/issues/7431
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2,887,244,074
I_kwDODunzps6sF9kq
7,431
Issues with large Datasets
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[ "what's the error message ?", "This was the final error message that it was giving pyarrow.lib.ArrowInvalid: JSON parse error: Column() changed from object to string in row 0", "Here is the list of errors:\n\nTraceback (most recent call last):\n File \".venv/lib/python3.12/site-packages/datasets/packaged_modul...
2025-02-28T14:05:22
2025-03-04T15:02:26
null
NONE
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### Describe the bug If the coco annotation file is too large the dataset will not be able to load it, not entirely sure were the issue is but I am guessing it is due to the code trying to load it all as one line into a dataframe. This was for object detections. My current work around is the following code but would ...
null
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2,886,922,573
I_kwDODunzps6sEvFN
7,430
Error in code "Time to slice and dice" from course "NLP Course"
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[ "You should open an issue in the NLP course website / github page. I'm closing this issue if you don't mind", "ok, i don't mind, i'll mark the error there" ]
2025-02-28T11:36:10
2025-03-05T11:32:47
2025-03-03T17:52:15
NONE
null
null
null
null
### Describe the bug When we execute code ``` frequencies = ( train_df["condition"] .value_counts() .to_frame() .reset_index() .rename(columns={"index": "condition", "condition": "frequency"}) ) frequencies.head() ``` answer should be like this condition | frequency birth control | 27655 dep...
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3 days, 6:16:05
https://api.github.com/repos/huggingface/datasets/issues/7427
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2,886,032,571
I_kwDODunzps6sBVy7
7,427
Error splitting the input into NAL units.
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[ "First time I see this error :/ maybe it's an issue with your version of `multiprocess` and `dill` ? Make sure they are compatible with `datasets`", "> First time I see this error :/ maybe it's an issue with your version of `multiprocess` and `dill` ? Make sure they are compatible with `datasets`\n\nany recommend...
2025-02-28T02:30:15
2025-03-04T01:40:28
null
NONE
null
null
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null
### Describe the bug I am trying to finetune qwen2.5-vl on 16 * 80G GPUS, and I use `LLaMA-Factory` and set `preprocessing_num_workers=16`. However, I met the following error and the program seem to got crush. It seems that the error come from `datasets` library The error logging is like following: ```text Convertin...
null
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2,883,684,686
I_kwDODunzps6r4YlO
7,425
load_dataset("livecodebench/code_generation_lite", version_tag="release_v2") TypeError: 'NoneType' object is not callable
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[ "> datasets\n\nHi, have you solved this bug? Today I also met the same problem about `livecodebench/code_generation_lite` when evaluating the `Open-R1` repo. I am looking forward to your reply!\n\n![Image](https://github.com/user-attachments/assets/02e92fbf-da33-41b3-b8d4-f79b293a54f1)", "Hey guys,\nI tried to re...
2025-02-27T07:36:02
2025-03-27T05:05:33
null
NONE
null
null
null
null
### Describe the bug from datasets import load_dataset lcb_codegen = load_dataset("livecodebench/code_generation_lite", version_tag="release_v2") or configs = get_dataset_config_names("livecodebench/code_generation_lite", trust_remote_code=True) both error: Traceback (most recent call last): File "", line 1, in File...
null
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2,879,271,409
I_kwDODunzps6rnjHx
7,423
Row indexing a dataset with numpy integers
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[ "Would be cool to be consistent when it comes to indexing with numpy objects, if we do accept numpy arrays we should indeed accept numpy integers. Your idea sounds reasonable, I'd also be in favor of adding a simple test as well" ]
2025-02-25T18:44:45
2025-07-28T02:23:17
2025-07-28T02:23:17
CONTRIBUTOR
null
null
null
null
### Feature request Allow indexing datasets with a scalar numpy integer type. ### Motivation Indexing a dataset with a scalar numpy.int* object raises a TypeError. This is due to the test in `datasets/formatting/formatting.py:key_to_query_type` ``` python def key_to_query_type(key: Union[int, slice, range, str, Ite...
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152 days, 7:38:32
https://api.github.com/repos/huggingface/datasets/issues/7421
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2,878,369,052
I_kwDODunzps6rkG0c
7,421
DVC integration broken
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[ "Unfortunately `url` is a reserved argument in `fsspec.url_to_fs`, so ideally file system implementations like DVC should use another argument name to avoid this kind of errors" ]
2025-02-25T13:14:31
2025-03-03T17:42:02
null
NONE
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### Describe the bug The DVC integration seems to be broken. Followed this guide: https://dvc.org/doc/user-guide/integrations/huggingface ### Steps to reproduce the bug #### Script to reproduce ~~~python from datasets import load_dataset dataset = load_dataset( "csv", data_files="dvc://workshop/satellite-d...
null
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2,876,281,928
I_kwDODunzps6rcJRI
7,420
better correspondence between cached and saved datasets created using from_generator
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2025-02-24T22:14:37
2025-02-26T03:10:22
null
CONTRIBUTOR
null
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### Feature request At the moment `.from_generator` can only create a dataset that lives in the cache. The cached dataset cannot be loaded with `load_from_disk` because the cache folder is missing `state.json`. So the only way to convert this cached dataset to a regular is to use `save_to_disk` which needs to create a...
null
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2,875,635,320
I_kwDODunzps6rZrZ4
7,419
Import order crashes script execution
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2025-02-24T17:03:43
2025-02-24T17:03:43
null
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### Describe the bug Hello, I'm trying to convert an HF dataset into a TFRecord so I'm importing `tensorflow` and `datasets` to do so. Depending in what order I'm importing those librairies, my code hangs forever and is unkillable (CTRL+C doesn't work, I need to kill my shell entirely). Thank you for your help 🙏 ...
null
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2,868,701,471
I_kwDODunzps6q_Okf
7,418
pyarrow.lib.arrowinvalid: cannot mix list and non-list, non-null values with map function
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[ "@lhoestq ", "Can you try passing text: None for the image object ? Pyarrow expects all the objects to have the exact same type, in particular the dicttionaries in \"content\" should all have the keys \"type\" and \"text\"", "The following modification on system prompt works, but it is different from the usual ...
2025-02-21T10:58:06
2025-07-11T13:06:10
null
NONE
null
null
null
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### Describe the bug Encounter pyarrow.lib.arrowinvalid error with map function in some example when loading the dataset ### Steps to reproduce the bug ``` from datasets import load_dataset from PIL import Image, PngImagePlugin dataset = load_dataset("leonardPKU/GEOQA_R1V_Train_8K") system_prompt="You are a helpful...
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2,865,774,546
I_kwDODunzps6q0D_S
7,415
Shard Dataset at specific indices
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[ "Hi ! if it's an option I'd suggest to have one sequence per row instead.\n\nOtherwise you'd have to make your own save/load mechanism", "Saving one sequence per row is very difficult and heavy and makes all the optimizations pointless. How would a custom save/load mechanism look like?", "You can use `pyarrow` ...
2025-02-20T10:43:10
2025-02-24T11:06:45
null
NONE
null
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I have a dataset of sequences, where each example in the sequence is a separate row in the dataset (similar to LeRobotDataset). When running `Dataset.save_to_disk` how can I provide indices where it's possible to shard the dataset such that no episode spans more than 1 shard. Consequently, when I run `Dataset.load_from...
null
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I_kwDODunzps6qhph-
7,413
Documentation on multiple media files of the same type with WebDataset
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[ "Yes this is correct and it works with huggingface datasets as well ! Feel free to include an example here: https://github.com/huggingface/datasets/blob/main/docs/source/video_dataset.mdx" ]
2025-02-18T16:13:20
2025-02-20T14:17:54
null
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The [current documentation](https://huggingface.co/docs/datasets/en/video_dataset) on a creating a video dataset includes only examples with one media file and one json. It would be useful to have examples where multiple files of the same type are included. For example, in a sign language dataset, you may have a base v...
null
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2,859,433,710
I_kwDODunzps6qb37u
7,412
Index Error Invalid Ket is out of bounds for size 0 for code-search-net/code_search_net dataset
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2025-02-18T05:58:33
2025-02-18T06:42:07
null
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### Describe the bug I am trying to do model pruning on sentence-transformers/all-mini-L6-v2 for the code-search-net/code_search_net dataset using INCTrainer class However I am getting below error ``` raise IndexError(f"Invalid Key: {key is our of bounds for size {size}") IndexError: Invalid key: 1840208 is out of b...
null
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2,856,441,206
I_kwDODunzps6qQdV2
7,406
Adding Core Maintainer List to CONTRIBUTING.md
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[ "@lhoestq", "there is no per-module maintainer and the list is me alone nowadays ^^'", "@lhoestq \nOh... I feel for you. \nWhat are your criteria for choosing a core maintainer? \nIt seems like it's too much work for you to manage all this code by yourself.\n\nAlso, if you don't mind, can you check this PR for ...
2025-02-17T00:32:40
2025-03-24T10:57:54
2025-03-24T10:57:54
CONTRIBUTOR
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### Feature request I propose adding a core maintainer list to the `CONTRIBUTING.md` file. ### Motivation The Transformers and Liger-Kernel projects maintain lists of core maintainers for each module. However, the Datasets project doesn't have such a list. ### Your contribution I have nothing to add here.
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35 days, 10:25:14
https://api.github.com/repos/huggingface/datasets/issues/7405
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2,856,372,814
I_kwDODunzps6qQMpO
7,405
Lazy loading of environment variables
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[ "Many python packages out there, including `huggingface_hub`, do load the environment variables on import.\nYou should `load_dotenv()` before importing the libraries.\n\nFor example you can move all you imports inside your `main()` function" ]
2025-02-16T22:31:41
2025-02-17T15:17:18
null
NONE
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null
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### Describe the bug Loading a `.env` file after an `import datasets` call does not correctly use the environment variables. This is due the fact that environment variables are read at import time: https://github.com/huggingface/datasets/blob/de062f0552a810c52077543c1169c38c1f0c53fc/src/datasets/config.py#L155C1-L15...
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2,856,366,207
I_kwDODunzps6qQLB_
7,404
Performance regression in `dataset.filter`
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[ "Thanks for reporting, I'll fix the regression today", "I just released `datasets` 3.3.1 with a fix, let me know if it's good now :)", "@lhoestq it fixed the issue.\n\nThis was (very) fast, thank you very much!" ]
2025-02-16T22:19:14
2025-02-17T17:46:06
2025-02-17T14:28:48
NONE
null
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### Describe the bug We're filtering dataset of ~1M (small-ish) records. At some point in the code we do `dataset.filter`, before (including 3.2.0) it was taking couple of seconds, and now it takes 4 hours. We use 16 threads/workers, and stack trace at them look as follows: ``` Traceback (most recent call last): Fi...
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16:09:34
https://api.github.com/repos/huggingface/datasets/issues/7399
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2,853,098,442
I_kwDODunzps6qDtPK
7,399
Synchronize parameters for various datasets
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[ "Hi ! the `desc` parameter is only available for Dataset / DatasetDict for the progress bar of `map()``\n\nSince IterableDataset only runs the map functions when you iterate over the dataset, there is no progress bar and `desc` is useless. We could still add the argument for parity but it wouldn't be used for anyth...
2025-02-14T09:15:11
2025-02-19T11:50:29
null
NONE
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### Describe the bug [IterableDatasetDict](https://huggingface.co/docs/datasets/v3.2.0/en/package_reference/main_classes#datasets.IterableDatasetDict.map) map function is missing the `desc` parameter. You can see the equivalent map function for [Dataset here](https://huggingface.co/docs/datasets/v3.2.0/en/package_refe...
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2,853,201,277
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7,400
504 Gateway Timeout when uploading large dataset to Hugging Face Hub
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[ "I transferred to the `datasets` repository. Is there any retry mechanism in `datasets` @lhoestq ?\n\nAnother solution @hotchpotch if you want to get your dataset pushed to the Hub in a robust way is to save it to a local folder first and then use `huggingface-cli upload-large-folder` (see https://huggingface.co/do...
2025-02-14T02:18:35
2025-02-14T23:48:36
null
NONE
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### Description I encountered consistent 504 Gateway Timeout errors while attempting to upload a large dataset (approximately 500GB) to the Hugging Face Hub. The upload fails during the process with a Gateway Timeout error. I will continue trying to upload. While it might succeed in future attempts, I wanted to report...
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7,394
Using load_dataset with data_files and split arguments yields an error
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[ "Hi, \nI want to work on this issue involving adding a verification test for the **`HuggingFaceM4/InterleavedWebDocuments`** dataset. \nThis will be my first contribution to `datasets`, \nI plan to add a simple loading and basic structure verification test like other recent dataset tests. \nYou can expect a PR ...
2025-02-12T04:50:11
2025-11-21T14:05:23
null
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### Describe the bug It seems the list of valid splits recorded by the package becomes incorrectly overwritten when using the `data_files` argument. If I run ```python from datasets import load_dataset load_dataset("allenai/super", split="all_examples", data_files="tasks/expert.jsonl") ``` then I get the error ``` Va...
null
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I_kwDODunzps6po_bD
7,392
push_to_hub payload too large error when using large ClassLabel feature
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[ "See also <https://discuss.huggingface.co/t/datasetdict-push-to-hub-failing-with-payload-to-large/140083/8>\n" ]
2025-02-11T17:51:34
2025-02-11T18:01:31
null
CONTRIBUTOR
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### Describe the bug When using `datasets.DatasetDict.push_to_hub` an `HfHubHTTPError: 413 Client Error: Payload Too Large for url` is raised if the dataset contains a large `ClassLabel` feature. Even if the total size of the dataset is small. ### Steps to reproduce the bug ``` python import random import sys impor...
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AttributeError: module 'pyarrow.lib' has no attribute 'ListViewType'
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2025-02-11T12:02:26
2025-02-11T12:02:26
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pyarrow 尝试了若干个版本都不可以
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7,390
Re-add py.typed
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[ "A similar issue was fixed for the `transformers` package, too: https://github.com/huggingface/transformers/pull/37022" ]
2025-02-10T22:12:52
2025-08-10T00:51:17
null
CONTRIBUTOR
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### Feature request The motivation for removing py.typed no longer seems to apply. Would a solution like [this one](https://github.com/huggingface/huggingface_hub/pull/2752) work here? ### Motivation MyPy support is broken. As more type checkers come out, such as RedKnot, these may also be broken. It would be goo...
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7,389
Getting statistics about filtered examples
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[ "You can actually track a running sum in map() or filter() :)\n\n```python\nnum_filtered = 0\n\ndef f(x):\n global num_filtered\n condition = len(x[\"text\"]) < 1000\n if not condition:\n num_filtered += 1\n return condition\n\nds = ds.filter(f)\nprint(num_filtered)\n```\n\nand if you want to use...
2025-02-10T20:48:29
2025-02-11T20:44:15
2025-02-11T20:44:13
NONE
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@lhoestq wondering if the team has thought about this and if there are any recommendations? Currently when processing datasets some examples are bound to get filtered out, whether it's due to bad format, or length is too long, or any other custom filters that might be getting applied. Let's just focus on the filter by...
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OSError: [Errno 22] Invalid argument forbidden character
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[ "You can probably copy the dataset in your HF account and rename the files (without having to download them to your disk). Or alternatively feel free to open a Pull Request to this dataset with the renamed file", "Thank you, that will help me work around this problem" ]
2025-02-10T17:46:31
2025-02-11T13:42:32
2025-02-11T13:42:30
NONE
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null
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null
### Describe the bug I'm on Windows and i'm trying to load a datasets but i'm having title error because files in the repository are named with charactere like < >which can't be in a name file. Could it be possible to load this datasets but removing those charactere ? ### Steps to reproduce the bug load_dataset("CAT...
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19:55:59
https://api.github.com/repos/huggingface/datasets/issues/7387
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2,841,228,048
I_kwDODunzps6pWbMQ
7,387
Dynamic adjusting dataloader sampling weight
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[ "You mean based on a condition that has to be checked on-the-fly during training ? Otherwise if you know in advance after how many samples you need to change the sampling you can simply concatenate the two mixes", "Yes, like during training, if one data sample's prediction is consistently wrong, its sampling weig...
2025-02-10T03:18:47
2025-03-07T14:06:54
null
NONE
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Hi, Thanks for your wonderful work! I'm wondering is there a way to dynamically adjust the sampling weight of each data in the dataset during training? Looking forward to your reply, thanks again.
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2,840,032,524
I_kwDODunzps6pR3UM
7,386
Add bookfolder Dataset Builder for Digital Book Formats
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[ "On second thought, probably not a good idea." ]
2025-02-08T14:27:55
2025-02-08T14:30:10
2025-02-08T14:30:09
NONE
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### Feature request This feature proposes adding a new dataset builder called bookfolder to the datasets library. This builder would allow users to easily load datasets consisting of various digital book formats, including: AZW, AZW3, CB7, CBR, CBT, CBZ, EPUB, MOBI, and PDF. ### Motivation Currently, loading dataset...
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0:02:14
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2,815,649,092
I_kwDODunzps6n02VE
7,381
Iterating over values of a column in the IterableDataset
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[ "I'd be in favor of that ! I saw many people implementing their own iterables that wrap a dataset just to iterate on a single column, that would make things more practical.\n\nKinda related: https://github.com/huggingface/datasets/issues/5847", "(For anyone's information, I'm going on vacation for the next 3 week...
2025-01-28T13:17:36
2025-05-22T18:00:04
2025-05-22T18:00:04
CONTRIBUTOR
null
null
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### Feature request I would like to be able to iterate (and re-iterate if needed) over a column of an `IterableDataset` instance. The following example shows the supposed API: ```python def gen(): yield {"text": "Good", "label": 0} yield {"text": "Bad", "label": 1} ds = IterableDataset.from_generator(gen) tex...
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114 days, 4:42:28
https://api.github.com/repos/huggingface/datasets/issues/7378
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2,802,957,388
I_kwDODunzps6nEbxM
7,378
Allow pushing config version to hub
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[ "Hi ! This sounds reasonable to me, feel free to open a PR :)" ]
2025-01-21T22:35:07
2025-01-30T13:56:56
null
NONE
null
null
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### Feature request Currently, when datasets are created, they can be versioned by passing the `version` argument to `load_dataset(...)`. For example creating `outcomes.csv` on the command line ``` echo "id,value\n1,0\n2,0\n3,1\n4,1\n" > outcomes.csv ``` and creating it ``` import datasets dataset = datasets.load_dat...
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2,802,723,285
I_kwDODunzps6nDinV
7,377
Support for sparse arrays with the Arrow Sparse Tensor format?
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[ "Hi ! Unfortunately the Sparse Tensor structure in Arrow is not part of the Arrow format (yes it's confusing...), so it's not possible to use it in `datasets`. It's a separate structure that doesn't correspond to any type or extension type in Arrow.\n\nThe Arrow community recently added an extension type for fixed ...
2025-01-21T20:14:35
2025-01-30T14:06:45
null
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### Feature request AI in biology is becoming a big thing. One thing that would be a huge benefit to the field that Huggingface Datasets doesn't currently have is native support for **sparse arrays**. Arrow has support for sparse tensors. https://arrow.apache.org/docs/format/Other.html#sparse-tensor It would be ...
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2,800,609,218
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7,375
vllm批量推理报错
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[ "Make sure you have installed a recent version of `soundfile`" ]
2025-01-21T03:22:23
2025-01-30T14:02:40
null
NONE
null
null
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### Describe the bug ![Image](https://github.com/user-attachments/assets/3d958e43-28dc-4467-9333-5990c7af3b3f) ### Steps to reproduce the bug ![Image](https://github.com/user-attachments/assets/3067eeca-a54d-4956-b0fd-3fc5ea93dabb) ### Expected behavior ![Image](https://github.com/user-attachments/assets/77d32936-...
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2,793,237,139
I_kwDODunzps6mfWqT
7,373
Excessive RAM Usage After Dataset Concatenation concatenate_datasets
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[ "![Image](https://github.com/user-attachments/assets/b6f8bcbd-44af-413e-bc06-65380eb0f746)\n\n![Image](https://github.com/user-attachments/assets/a241fcd8-4b62-495c-926c-685f82015dfb)\n\nAdding a img from memray\nhttps://gist.github.com/sam-hey/00c958f13fb0f7b54d17197fe353002f", "I'm having the same issue where c...
2025-01-16T16:33:10
2025-03-27T17:40:59
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### Describe the bug When loading a dataset from disk, concatenating it, and starting the training process, the RAM usage progressively increases until the kernel terminates the process due to excessive memory consumption. https://github.com/huggingface/datasets/issues/2276 ### Steps to reproduce the bug ```python ...
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7,372
Inconsistent Behavior Between `load_dataset` and `load_from_disk` When Loading Sharded Datasets
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2025-01-16T05:47:20
2025-01-16T05:47:20
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### Description I encountered an inconsistency in behavior between `load_dataset` and `load_from_disk` when loading sharded datasets. Here is a minimal example to reproduce the issue: #### Code 1: Using `load_dataset` ```python from datasets import Dataset, load_dataset # First save with max_shard_size=10 Dataset.fr...
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I_kwDODunzps6mVGmB
7,371
500 Server error with pushing a dataset
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[ "EDIT: seems to be all good now. I'll add a comment if the error happens again within the next 48 hours. If it doesn't, I'll just close the topic." ]
2025-01-15T18:23:02
2025-01-15T20:06:05
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### Describe the bug Suddenly, I started getting this error message saying it was an internal error. `Error creating/pushing dataset: 500 Server Error: Internal Server Error for url: https://huggingface.co/api/datasets/ll4ma-lab/grasp-dataset/commit/main (Request ID: Root=1-6787f0b7-66d5bd45413e481c4c2fb22d;670d04ff-...
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7,369
Importing dataset gives unhelpful error message when filenames in metadata.csv are not found in the directory
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[ "I'd prefer even more verbose errors; like `\"file123.mp3\" is referenced in metadata.csv, but not found in the data directory '/path/to/audiofolder' ! (and 100+ more missing files)` Or something along those lines." ]
2025-01-14T13:53:21
2025-01-14T15:05:51
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### Describe the bug While importing an audiofolder dataset, where the names of the audiofiles don't correspond to the filenames in the metadata.csv, we get an unclear error message that is not helpful for the debugging, i.e. ``` ValueError: Instruction "train" corresponds to no data! ``` ### Steps to reproduce the ...
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2,781,522,894
I_kwDODunzps6lyqvO
7,366
Dataset.from_dict() can't handle large dict
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2025-01-11T02:05:21
2025-01-11T02:05:21
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### Describe the bug I have 26,000,000 3-tuples. When I use Dataset.from_dict() to load, neither. py nor Jupiter notebook can run successfully. This is my code: ``` # len(example_data) is 26,000,000, 'diff' is a text diff1_list = [example_data[i].texts[0] for i in range(len(example_data))] diff2_list =...
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2,780,216,199
I_kwDODunzps6ltruH
7,365
A parameter is specified but not used in datasets.arrow_dataset.Dataset.from_pandas()
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2025-01-10T13:39:33
2025-01-10T13:39:33
null
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### Describe the bug I am interested in creating train, test and eval splits from a pandas Dataframe, therefore I was looking at the possibilities I can follow. I noticed the split parameter and was hopeful to use it in order to generate the 3 at once, however, while trying to understand the code, i noticed that it ha...
null
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7,364
API endpoints for gated dataset access requests
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[ "Looks like a [similar feature request](https://github.com/huggingface/huggingface_hub/issues/1198) was made to the HF Hub team. Is handling this at the Hub level more appropriate?\r\n\r\n(As an aside, I've gotten the [HTTP-based solution](https://github.com/huggingface/huggingface_hub/issues/1198#issuecomment-1905...
2025-01-09T06:21:20
2025-01-09T11:17:40
2025-01-09T11:17:20
NONE
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### Feature request I would like a programatic way of requesting access to gated datasets. The current solution to gain access forces me to visit a website and physically click an "agreement" button (as per the [documentation](https://huggingface.co/docs/hub/en/datasets-gated#access-gated-datasets-as-a-user)). An i...
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7,363
ImportError: To support decoding images, please install 'Pillow'.
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[ "what's your `pip show Pillow` output", "same issue.. my pip show Pillow output as below:\n\n```\nName: pillow\nVersion: 11.1.0\nSummary: Python Imaging Library (Fork)\nHome-page: https://python-pillow.github.io/\nAuthor: \nAuthor-email: \"Jeffrey A. Clark\" <aclark@aclark.net>\nLicense: MIT-CMU\nLocation: [/opt/...
2025-01-08T02:22:57
2025-05-28T14:56:53
null
NONE
null
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### Describe the bug Following this tutorial locally using a macboko and VSCode: https://huggingface.co/docs/diffusers/en/tutorials/basic_training This line of code: for i, image in enumerate(dataset[:4]["image"]): throws: ImportError: To support decoding images, please install 'Pillow'. Pillow is installed. ###...
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I_kwDODunzps6lU8n1
7,362
HuggingFace CLI dataset download raises error
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[ "I got the same error and was able to resolve it by upgrading from 2.15.0 to 3.2.0.", "> I got the same error and was able to resolve it by upgrading from 2.15.0 to 3.2.0.\r\n\r\nWhat is needed is upgrading `huggingface-hub==0.27.1`. `datasets` does not appear to have anything to do with the error. The upgrade is...
2025-01-07T21:03:30
2025-01-08T15:00:37
2025-01-08T14:35:52
NONE
null
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null
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### Describe the bug Trying to download Hugging Face datasets using Hugging Face CLI raises error. This error only started after December 27th, 2024. For example: ``` huggingface-cli download --repo-type dataset gboleda/wikicorpus Traceback (most recent call last): File "/home/ubuntu/test_venv/bin/huggingface...
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17:32:22
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7,360
error when loading dataset in Hugging Face: NoneType error is not callable
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[ "Hi ! I couldn't reproduce on my side, can you try deleting your cache at `~/.cache/huggingface/modules/datasets_modules/datasets/InstaDeepAI--nucleotide_transformer_downstream_tasks_revised` and try again ? For some reason `datasets` wasn't able to find the DatasetBuilder class in the python script of this dataset...
2025-01-07T02:11:36
2025-02-24T13:32:52
null
NONE
null
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### Describe the bug I met an error when running a notebook provide by Hugging Face, and met the error. ``` --------------------------------------------------------------------------- TypeError Traceback (most recent call last) Cell In[2], line 5 3 # Load the enhancers dat...
null
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7,359
There are multiple 'mteb/arguana' configurations in the cache: default, corpus, queries with HF_HUB_OFFLINE=1
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[ "Related to https://github.com/embeddings-benchmark/mteb/issues/1714" ]
2025-01-06T17:42:49
2025-01-06T17:43:31
null
NONE
null
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### Describe the bug Hey folks, I am trying to run this code - ```python from datasets import load_dataset, get_dataset_config_names ds = load_dataset("mteb/arguana") ``` with HF_HUB_OFFLINE=1 But I get the following error - ```python Using the latest cached version of the dataset since mteb/arguana...
null
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Python process aborded with GIL issue when using image dataset
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[ "The issue seems to come from `pyarrow`, I opened an issue on their side at https://github.com/apache/arrow/issues/45214", "I \"solved\" this by setting a low batch_size for load_datasets()", "datasets==3.1.0 works\ndatasets==4.1.1 fails", "If you want to use latest version over 3.1.0, a temporary fix is to m...
2025-01-06T11:29:30
2025-09-30T23:01:53
null
NONE
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### Describe the bug The issue is visible only with the latest `datasets==3.2.0`. When using image dataset the Python process gets aborted right before the exit with the following error: ``` Fatal Python error: PyGILState_Release: thread state 0x7fa1f409ade0 must be current when releasing Python runtime state: f...
null
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7,356
How about adding a feature to pass the key when performing map on DatasetDict?
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[ "@lhoestq \r\nIf it's okay with you, can I work on this?", "Hi ! Can you give an example of what it would look like to use this new feature ?\r\n\r\nNote that currently you can already do\r\n\r\n```python\r\nds[\"train\"] = ds[\"train\"].map(process_train)\r\nds[\"test\"] = ds[\"test\"].map(process_test)\r\n```",...
2025-01-06T08:13:52
2025-03-24T10:57:47
2025-03-24T10:57:47
CONTRIBUTOR
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### Feature request Add a feature to pass the key of the DatasetDict when performing map ### Motivation I often preprocess using map on DatasetDict. Sometimes, I need to preprocess train and valid data differently depending on the task. So, I thought it would be nice to pass the key (like train, valid) when perf...
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77 days, 2:43:55
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7,355
Not available datasets[audio] on python 3.13
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[ "It looks like an issue with `numba` which can't be installed on 3.13 ? `numba` is a dependency of `librosa`, used to decode audio files", "There seems that `uv` cannot resolve \n\n```bhas\nuv add -n datasets[audio] huggingface-hub[hf-transfer] transformers\n```\n\nThe problem is again `librosa` which depends on ...
2025-01-04T18:37:08
2025-06-28T00:26:19
null
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### Describe the bug This is the error I got, it seems numba package does not support python 3.13 PS C:\Users\sergi\Documents> pip install datasets[audio] Defaulting to user installation because normal site-packages is not writeable Collecting datasets[audio] Using cached datasets-3.2.0-py3-none-any.whl.metada...
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7,354
A module that was compiled using NumPy 1.x cannot be run in NumPy 2.0.2 as it may crash. To support both 1.x and 2.x versions of NumPy, modules must be compiled with NumPy 2.0. Some module may need to rebuild instead e.g. with 'pybind11>=2.12'.
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[ "recreated .venv and run this: pip install diffusers[training]==0.11.1" ]
2025-01-04T18:30:17
2025-01-08T02:20:58
2025-01-08T02:20:58
NONE
null
null
null
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### Describe the bug Following this tutorial: https://huggingface.co/docs/diffusers/en/tutorials/basic_training and running it locally using VSCode on my MacBook. The first line in the tutorial fails: from datasets import load_dataset dataset = load_dataset('huggan/smithsonian_butterflies_subset', split="train"). w...
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3 days, 7:50:41
https://api.github.com/repos/huggingface/datasets/issues/7347
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2,760,282,339
I_kwDODunzps6khpDj
7,347
Converting Arrow to WebDataset TAR Format for Offline Use
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[ "Hi,\r\n\r\nI've downloaded an Arrow-formatted dataset offline using the hugggingface's datasets library by:\r\n\r\nimport json\r\nfrom datasets import load_dataset\r\n\r\ndataset = load_dataset(\"pixparse/cc3m-wds\")\r\ndataset.save_to_disk(\"./cc3m_1\")\r\n\r\n\r\nnow I need to convert it to WebDataset's TAR form...
2024-12-27T01:40:44
2024-12-31T17:38:00
2024-12-28T15:38:03
NONE
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### Feature request Hi, I've downloaded an Arrow-formatted dataset offline using the hugggingface's datasets library by: ``` import json from datasets import load_dataset dataset = load_dataset("pixparse/cc3m-wds") dataset.save_to_disk("./cc3m_1") ``` now I need to convert it to WebDataset's TAR form...
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1 day, 13:57:19
https://api.github.com/repos/huggingface/datasets/issues/7346
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7,346
OSError: Invalid flatbuffers message.
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[ "Thanks for reporting, it looks like an issue with `pyarrow.ipc.open_stream`\r\n\r\nCan you try installing `datasets` from this pull request and see if it helps ? https://github.com/huggingface/datasets/pull/7348", "> Thanks for reporting, it looks like an issue with `pyarrow.ipc.open_stream`\r\n> \r\n> Can you t...
2024-12-25T11:38:52
2025-01-09T14:25:29
2025-01-09T14:25:05
NONE
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### Describe the bug When loading a large 2D data (1000 × 1152) with a large number of (2,000 data in this case) in `load_dataset`, the error message `OSError: Invalid flatbuffers message` is reported. When only 300 pieces of data of this size (1000 × 1152) are stored, they can be loaded correctly. When 2,00...
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15 days, 2:46:13
https://api.github.com/repos/huggingface/datasets/issues/7345
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2,758,585,709
I_kwDODunzps6kbK1t
7,345
Different behaviour of IterableDataset.map vs Dataset.map with remove_columns
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[ "Good catch ! Do you think you can open a PR to fix this issue ?" ]
2024-12-25T07:36:48
2025-01-07T11:56:42
2025-01-07T11:56:42
CONTRIBUTOR
null
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### Describe the bug The following code ```python import datasets as hf ds1 = hf.Dataset.from_list([{'i': i} for i in [0,1]]) #ds1 = ds1.to_iterable_dataset() ds2 = ds1.map( lambda i: {'i': i+1}, input_columns = ['i'], remove_columns = ['i'] ) list(ds2) ``` produces ```python [{'i': ...
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13 days, 4:19:54
https://api.github.com/repos/huggingface/datasets/issues/7344
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2,754,735,951
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7,344
HfHubHTTPError: 429 Client Error: Too Many Requests for URL when trying to access SlimPajama-627B or c4 on TPUs
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[ "Hi ! This is due to your old version of `datasets` which calls HF with `expand=True`, an option that is strongly rate limited.\r\n\r\nRecent versions of `datasets` don't rely on this anymore, you can fix your issue by upgrading `datasets` :)\r\n\r\n```\r\npip install -U datasets\r\n```\r\n\r\nYou can also get maxi...
2024-12-22T16:30:07
2025-01-15T05:32:00
2025-01-15T05:31:58
NONE
null
null
null
null
### Describe the bug I am trying to run some trainings on Google's TPUs using Huggingface's DataLoader on [SlimPajama-627B](https://huggingface.co/datasets/cerebras/SlimPajama-627B) and [c4](https://huggingface.co/datasets/allenai/c4), but I end up running into `429 Client Error: Too Many Requests for URL` error when ...
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23 days, 13:01:51
https://api.github.com/repos/huggingface/datasets/issues/7343
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7,343
[Bug] Inconsistent behavior of data_files and data_dir in load_dataset method.
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[ "Hi ! `data_files` with a list is equivalent to `data_files={\"train\": data_files}` with a train test only.\r\n\r\nWhen no split are specified, they are inferred based on file names, and files with no apparent split are ignored", "Thanks for your reply!\r\n`files with no apparent split are ignored`. Is there a o...
2024-12-19T14:31:27
2025-01-03T15:54:09
2025-01-03T15:54:09
NONE
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### Describe the bug Inconsistent operation of data_files and data_dir in load_dataset method. ### Steps to reproduce the bug # First I have three files, named 'train.json', 'val.json', 'test.json'. Each one has a simple dict `{text:'aaa'}`. Their path are `/data/train.json`, `/data/val.json`, `/data/test.jso...
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15 days, 1:22:42
https://api.github.com/repos/huggingface/datasets/issues/7337
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7,337
One or several metadata.jsonl were found, but not in the same directory or in a parent directory of
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[ "Hmmm I double checked in the source code and I found a contradiction: in the current implementation the metadata file is ignored if it's not in the same archive as the zip image somehow:\r\n\r\nhttps://github.com/huggingface/datasets/blob/caa705e8bf4bedf1a956f48b545283b2ca14170a/src/datasets/packaged_modules/folde...
2024-12-17T12:58:43
2025-01-03T15:28:13
null
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### Describe the bug ImageFolder with metadata.jsonl error. I downloaded liuhaotian/LLaVA-CC3M-Pretrain-595K locally from Hugging Face. According to the tutorial in https://huggingface.co/docs/datasets/image_dataset#image-captioning, only put images.zip and metadata.jsonl containing information in the same folder. How...
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2,744,746,456
I_kwDODunzps6jmYHY
7,336
Clarify documentation or Create DatasetCard
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2024-12-17T12:01:00
2024-12-17T12:01:00
null
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### Feature request I noticed that you can use a Model Card instead of a Dataset Card when pushing a dataset to the Hub, but this isn’t clearly mentioned in [the docs.](https://huggingface.co/docs/datasets/dataset_card) - Update the docs to clarify that a Model Card can work for datasets too. - It might be worth c...
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7,335
Too many open files: '/root/.cache/huggingface/token'
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2024-12-16T21:30:24
2024-12-16T21:30:24
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### Describe the bug I ran this code: ``` from datasets import load_dataset dataset = load_dataset("common-canvas/commoncatalog-cc-by", cache_dir="/datadrive/datasets/cc", num_proc=1000) ``` And got this error. Before it was some other file though (lie something...incomplete) runnting ``` ulimit -n 8192 ...
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TypeError: Value.__init__() missing 1 required positional argument: 'dtype'
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[ "same error \n```\ndata = load_dataset('/opt/deepseek_R1_finetune/hf_datasets/openai/gsm8k', 'main')[split] \n```", "> same error\n> \n> ```\n> data = load_dataset('/opt/deepseek_R1_finetune/hf_datasets/openai/gsm8k', 'main')[split] \n> ```\n\nhttps://github.com/huggingface/open-r1/issues/204 this help me", "S...
2024-12-15T04:08:46
2025-10-30T09:05:53
null
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### Describe the bug ds = load_dataset( "./xxx.py", name="default", split="train", ) The datasets does not support debugging locally anymore... ### Steps to reproduce the bug ``` from datasets import load_dataset ds = load_dataset( "./repo.py", name="default", split="train", ) ...
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2,738,514,909
I_kwDODunzps6jOmvd
7,327
.map() is not caching and ram goes OOM
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[ "I have the same issue - any update on this?" ]
2024-12-13T14:22:56
2025-02-10T10:42:38
null
NONE
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### Describe the bug Im trying to run a fairly simple map that is converting a dataset into numpy arrays. however, it just piles up on memory and doesnt write to disk. Ive tried multiple cache techniques such as specifying the cache dir, setting max mem, +++ but none seem to work. What am I missing here? ### Steps to...
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2,738,188,902
I_kwDODunzps6jNXJm
7,326
Remove upper bound for fsspec
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[ "Unfortunately `fsspec` versioning allows breaking changes across version and there is no way we can keep it without constrains at the moment. It already broke `datasets` once in the past. Maybe one day once `fsspec` decides on a stable and future proof API but I don't think this will happen anytime soon\r\n\r\nedi...
2024-12-13T11:35:12
2025-01-03T15:34:37
null
NONE
null
null
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### Describe the bug As also raised by @cyyever in https://github.com/huggingface/datasets/pull/7296 and @NeilGirdhar in https://github.com/huggingface/datasets/commit/d5468836fe94e8be1ae093397dd43d4a2503b926#commitcomment-140952162 , `datasets` has a problematic version constraint on `fsspec`. In our case this c...
null
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https://api.github.com/repos/huggingface/datasets/issues/7323
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2,736,008,698
I_kwDODunzps6jFC36
7,323
Unexpected cache behaviour using load_dataset
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[ "Hi ! Since `datasets` 3.x, the `datasets` specific files are in `cache_dir=` and the HF files are cached using `huggingface_hub` and you can set its cache directory using the `HF_HOME` environment variable.\r\n\r\nThey are independent, for example you can delete the Hub cache (containing downloaded files) but sti...
2024-12-12T14:03:00
2025-01-31T11:34:24
2025-01-31T11:34:24
NONE
null
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### Describe the bug Following the (Cache management)[https://huggingface.co/docs/datasets/en/cache] docu and previous behaviour from datasets version 2.18.0, one is able to change the cache directory. Previously, all downloaded/extracted/etc files were found in this folder. As i have recently update to the latest v...
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49 days, 21:31:24
https://api.github.com/repos/huggingface/datasets/issues/7322
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2,732,254,868
I_kwDODunzps6i2uaU
7,322
ArrowInvalid: JSON parse error: Column() changed from object to array in row 0
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[ "Hi ! `datasets` uses Arrow under the hood which expects each column and array to have fixed types that don't change across rows of a dataset, which is why we get this error. This dataset in particular doesn't have a format compatible with Arrow unfortunately. Don't hesitate to open a discussion or PR on HF to fix ...
2024-12-11T08:41:39
2025-07-15T13:06:55
null
NONE
null
null
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### Describe the bug Encountering an error while loading the ```liuhaotian/LLaVA-Instruct-150K dataset```. ### Steps to reproduce the bug ``` from datasets import load_dataset fw =load_dataset("liuhaotian/LLaVA-Instruct-150K") ``` Error: ``` ArrowInvalid Traceback (most recen...
null
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7,321
ImportError: cannot import name 'set_caching_enabled' from 'datasets'
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[ "pip install datasets==2.18.0", "Hi ! I think you need to update axolotl" ]
2024-12-11T01:58:46
2024-12-11T13:32:15
null
NONE
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### Describe the bug Traceback (most recent call last): File "/usr/local/lib/python3.10/runpy.py", line 187, in _run_module_as_main mod_name, mod_spec, code = _get_module_details(mod_name, _Error) File "/usr/local/lib/python3.10/runpy.py", line 110, in _get_module_details __import__(pkg_name) File "...
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2,731,112,100
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7,320
ValueError: You should supply an encoding or a list of encodings to this method that includes input_ids, but you provided ['label']
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[ "Now i have other error" ]
2024-12-10T20:23:11
2024-12-10T23:22:23
2024-12-10T23:22:23
NONE
null
null
null
null
### Describe the bug I am trying to create a PEFT model from DISTILBERT model, and run a training loop. However, the trainer.train() is giving me this error: ValueError: You should supply an encoding or a list of encodings to this method that includes input_ids, but you provided ['label'] Here is my code: ### St...
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2:59:12
https://api.github.com/repos/huggingface/datasets/issues/7318
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2,730,676,278
I_kwDODunzps6iwtA2
7,318
Introduce support for PDFs
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[ "#self-assign", "Awesome ! Let me know if you have any question or if I can help :)\r\n\r\ncc @AndreaFrancis as well for viz", "Other candidates libraries for the Pdf type: PyMuPDF pypdf and pdfplumber\r\n\r\nEDIT: Pymupdf looks like a good choice when it comes to maturity + performance + versatility BUT the li...
2024-12-10T16:59:48
2024-12-12T18:38:13
null
CONTRIBUTOR
null
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### Feature request The idea (discussed in the Discord server with @lhoestq ) is to have a Pdf type like Image/Audio/Video. For example [Video](https://github.com/huggingface/datasets/blob/main/src/datasets/features/video.py) was recently added and contains how to decode a video file encoded in a dictionary like {"pat...
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7,313
Cannot create a dataset with relative audio path
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[ "Hello ! when you `cast_column` you need the paths to be absolute paths or relative paths to your working directory, not the original dataset directory.\r\n\r\nThough I'd recommend structuring your dataset as an AudioFolder which automatically links a metadata.jsonl or csv to the audio files via relative paths **wi...
2024-12-09T07:34:20
2025-04-19T07:13:08
null
NONE
null
null
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### Describe the bug Hello! I want to create a dataset of parquet files, with audios stored as separate .mp3 files. However, it says "No such file or directory" (see the reproducing code). ### Steps to reproduce the bug Creating a dataset ``` from pathlib import Path from datasets import Dataset, load_datas...
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