old_contents: # Copyright 2020 The AutoKeras 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.
  
  from autokeras.auto_model import AutoModel
  from autokeras.blocks import BertBlock
  from autokeras.blocks import CategoricalToNumerical
  from autokeras.blocks import ClassificationHead
  from autokeras.blocks import ConvBlock
  from autokeras.blocks import DenseBlock
  from autokeras.blocks import EfficientNetBlock
  from autokeras.blocks import Embedding
  from autokeras.blocks import Flatten
  from autokeras.blocks import ImageAugmentation
  from autokeras.blocks import ImageBlock
  from autokeras.blocks import Merge
  from autokeras.blocks import Normalization
  from autokeras.blocks import RegressionHead
  from autokeras.blocks import ResNetBlock
  from autokeras.blocks import RNNBlock
  from autokeras.blocks import SpatialReduction
  from autokeras.blocks import StructuredDataBlock
  from autokeras.blocks import TemporalReduction
  from autokeras.blocks import TextBlock
  from autokeras.blocks import TextToIntSequence
  from autokeras.blocks import TextToNgramVector
  from autokeras.blocks import Transformer
  from autokeras.blocks import XceptionBlock
  from autokeras.engine.block import Block
  from autokeras.engine.head import Head
  from autokeras.engine.node import Node
  from autokeras.keras_layers import BertEncoder
  from autokeras.keras_layers import BertTokenizer
  from autokeras.keras_layers import CastToFloat32
  from autokeras.keras_layers import ExpandLastDim
  from autokeras.keras_layers import MultiCategoryEncoding
  from autokeras.nodes import ImageInput
  from autokeras.nodes import Input
  from autokeras.nodes import StructuredDataInput
  from autokeras.nodes import TextInput
  from autokeras.nodes import TimeseriesInput
  from autokeras.tasks import ImageClassifier
  from autokeras.tasks import ImageRegressor
  from autokeras.tasks import StructuredDataClassifier
  from autokeras.tasks import StructuredDataRegressor
  from autokeras.tasks import TextClassifier
  from autokeras.tasks import TextRegressor
  from autokeras.tasks import TimeseriesForecaster
  from autokeras.tuners import BayesianOptimization
  from autokeras.tuners import Greedy
  from autokeras.tuners import Hyperband
  from autokeras.tuners import RandomSearch
  from autokeras.utils.io_utils import image_dataset_from_directory
  from autokeras.utils.io_utils import text_dataset_from_directory
  from autokeras.utils.utils import check_kt_version
  from autokeras.utils.utils import check_tf_version
  
  __version__ = "1.0.19"
  
  check_tf_version()
  check_kt_version()
  
  CUSTOM_OBJECTS = {
      "BertEncoder": BertEncoder,
      "BertTokenizer": BertTokenizer,
      "CastToFloat32": CastToFloat32,
      "ExpandLastDim": ExpandLastDim,
      "MultiCategoryEncoding": MultiCategoryEncoding,
  }
  
new_contents: # Copyright 2020 The AutoKeras 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.
  
  from autokeras.auto_model import AutoModel
  from autokeras.blocks import BertBlock
  from autokeras.blocks import CategoricalToNumerical
  from autokeras.blocks import ClassificationHead
  from autokeras.blocks import ConvBlock
  from autokeras.blocks import DenseBlock
  from autokeras.blocks import EfficientNetBlock
  from autokeras.blocks import Embedding
  from autokeras.blocks import Flatten
  from autokeras.blocks import ImageAugmentation
  from autokeras.blocks import ImageBlock
  from autokeras.blocks import Merge
  from autokeras.blocks import Normalization
  from autokeras.blocks import RegressionHead
  from autokeras.blocks import ResNetBlock
  from autokeras.blocks import RNNBlock
  from autokeras.blocks import SpatialReduction
  from autokeras.blocks import StructuredDataBlock
  from autokeras.blocks import TemporalReduction
  from autokeras.blocks import TextBlock
  from autokeras.blocks import TextToIntSequence
  from autokeras.blocks import TextToNgramVector
  from autokeras.blocks import Transformer
  from autokeras.blocks import XceptionBlock
  from autokeras.engine.block import Block
  from autokeras.engine.head import Head
  from autokeras.engine.node import Node
  from autokeras.keras_layers import BertEncoder
  from autokeras.keras_layers import BertTokenizer
  from autokeras.keras_layers import CastToFloat32
  from autokeras.keras_layers import ExpandLastDim
  from autokeras.keras_layers import MultiCategoryEncoding
  from autokeras.nodes import ImageInput
  from autokeras.nodes import Input
  from autokeras.nodes import StructuredDataInput
  from autokeras.nodes import TextInput
  from autokeras.nodes import TimeseriesInput
  from autokeras.tasks import ImageClassifier
  from autokeras.tasks import ImageRegressor
  from autokeras.tasks import StructuredDataClassifier
  from autokeras.tasks import StructuredDataRegressor
  from autokeras.tasks import TextClassifier
  from autokeras.tasks import TextRegressor
  from autokeras.tasks import TimeseriesForecaster
  from autokeras.tuners import BayesianOptimization
  from autokeras.tuners import Greedy
  from autokeras.tuners import Hyperband
  from autokeras.tuners import RandomSearch
  from autokeras.utils.io_utils import image_dataset_from_directory
  from autokeras.utils.io_utils import text_dataset_from_directory
  from autokeras.utils.utils import check_kt_version
  from autokeras.utils.utils import check_tf_version
  
  __version__ = "1.0.20dev"
  
  check_tf_version()
  check_kt_version()
  
  CUSTOM_OBJECTS = {
      "BertEncoder": BertEncoder,
      "BertTokenizer": BertTokenizer,
      "CastToFloat32": CastToFloat32,
      "ExpandLastDim": ExpandLastDim,
      "MultiCategoryEncoding": MultiCategoryEncoding,
  }
  
subject: update version to 1.0.20dev (#1718)