old_contents: # coding=utf-8
  # Copyright 2020 The TensorFlow Datasets Authors.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  # Lint as: python3
  """Tests for c4 dataset module."""
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  import six
  
  from tensorflow_datasets import testing
  from tensorflow_datasets.text import c4
  
  
  class C4Test(testing.DatasetBuilderTestCase):
    DATASET_CLASS = c4.C4
    # 10k shards take make the test too slow.
    c4._DEFAULT_NUM_SHARDS = 1
    # GzipFile + GFile and TextIOWrapper are broken for py2.
    BUILDER_CONFIG_NAMES_TO_TEST = ["en"] if six.PY3 else []
  
    DL_EXTRACT_RESULT = {
        "wet_path_urls": ["wet_urls.txt"],
        "wet_files": ["cc_0.warc.wet.gz", "cc_1.warc.wet.gz"],
        "https://commoncrawl.s3.amazonaws.com/cc_0.warc.wet.gz":
            "cc_0.warc.wet.gz",
        "https://commoncrawl.s3.amazonaws.com/cc_1.warc.wet.gz":
            "cc_1.warc.wet.gz",
        "badwords": "badwords.txt",
    }
    SPLITS = {
        "train": 1,
        "validation": 1,
    }
    SKIP_CHECKSUMS = True  # TODO(tfds): Update checksums
  
  
  class C4NoCleanTest(C4Test):
    # GzipFile + GFile and TextIOWrapper are broken for py2.
    BUILDER_CONFIG_NAMES_TO_TEST = ["en.noclean"] if six.PY3 else []
    SPLITS = {
        "train": 3,
        "validation": 1,
    }
  
  
  if __name__ == "__main__":
    testing.test_main()
  
new_contents: # coding=utf-8
  # Copyright 2020 The TensorFlow Datasets Authors.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  # Lint as: python3
  """Tests for c4 dataset module."""
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  import six
  
  from tensorflow_datasets import testing
  from tensorflow_datasets.text import c4
  
  
  class C4Test(testing.DatasetBuilderTestCase):
    DATASET_CLASS = c4.C4
    # 10k shards take make the test too slow.
    c4._DEFAULT_NUM_SHARDS = 1
    # GzipFile + GFile and TextIOWrapper are broken for py2.
    BUILDER_CONFIG_NAMES_TO_TEST = ["en"] if six.PY3 else []
  
    DL_EXTRACT_RESULT = {
        "wet_path_urls": ["wet_urls.txt"],
        "wet_files": ["cc_0.warc.wet.gz", "cc_1.warc.wet.gz"],
        "https://commoncrawl.s3.amazonaws.com/cc_0.warc.wet.gz":
            "cc_0.warc.wet.gz",
        "https://commoncrawl.s3.amazonaws.com/cc_1.warc.wet.gz":
            "cc_1.warc.wet.gz",
        "badwords": "badwords.txt",
    }
    SPLITS = {
        "train": 1,
        "validation": 1,
    }
  
  
  class C4NoCleanTest(C4Test):
    # GzipFile + GFile and TextIOWrapper are broken for py2.
    BUILDER_CONFIG_NAMES_TO_TEST = ["en.noclean"] if six.PY3 else []
    SPLITS = {
        "train": 3,
        "validation": 1,
    }
  
  
  if __name__ == "__main__":
    testing.test_main()
  
subject: Remove SKIP_CHECKSUMS from c4