Generate: remove legacy generation mixin imports (#29782)

src/transformers/__init__.py

@@ -1431,7 +1431,6 @@ else:
             "WhisperTimeStampLogitsProcessor",
         ]
     )
-    _import_structure["generation_utils"] = []
     _import_structure["modeling_outputs"] = []
     _import_structure["modeling_utils"] = ["PreTrainedModel"]
 
@@ -3869,7 +3868,6 @@ else:
             "TFTopPLogitsWarper",
         ]
     )
-    _import_structure["generation_tf_utils"] = []
     _import_structure["keras_callbacks"] = ["KerasMetricCallback", "PushToHubCallback"]
     _import_structure["modeling_tf_outputs"] = []
     _import_structure["modeling_tf_utils"] = [
@@ -4636,7 +4634,6 @@ else:
             "FlaxWhisperTimeStampLogitsProcessor",
         ]
     )
-    _import_structure["generation_flax_utils"] = []
     _import_structure["modeling_flax_outputs"] = []
     _import_structure["modeling_flax_utils"] = ["FlaxPreTrainedModel"]
     _import_structure["models.albert"].extend(

src/transformers/generation_flax_utils.py

-# coding=utf-8
-# Copyright 2021 The Google AI Flax Team Authors, and The HuggingFace Inc. team.
-# Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.
-#
-# 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.
-
-import warnings
-
-from .generation import FlaxGenerationMixin
-
-
-class FlaxGenerationMixin(FlaxGenerationMixin):
-    # warning at import time
-    warnings.warn(
-        "Importing `FlaxGenerationMixin` from `src/transformers/generation_flax_utils.py` is deprecated and will "
-        "be removed in Transformers v4.40. Import as `from transformers import FlaxGenerationMixin` instead.",
-        FutureWarning,
-    )

src/transformers/generation_tf_utils.py

-# coding=utf-8
-# Copyright 2018 The Google AI Language Team Authors and The HuggingFace Inc. team.
-# Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.
-#
-# 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.
-
-import warnings
-
-from .generation import TFGenerationMixin
-
-
-class TFGenerationMixin(TFGenerationMixin):
-    # warning at import time
-    warnings.warn(
-        "Importing `TFGenerationMixin` from `src/transformers/generation_tf_utils.py` is deprecated and will "
-        "be removed in Transformers v4.40. Import as `from transformers import TFGenerationMixin` instead.",
-        FutureWarning,
-    )

src/transformers/generation_utils.py

-# coding=utf-8
-# Copyright 2020 The Google AI Language Team Authors, Facebook AI Research authors and The HuggingFace Inc. team.
-# Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.
-#
-# 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.
-
-import warnings
-
-from .generation import GenerationMixin
-
-
-class GenerationMixin(GenerationMixin):
-    # warning at import time
-    warnings.warn(
-        "Importing `GenerationMixin` from `src/transformers/generation_utils.py` is deprecated and will "
-        "be removed in Transformers v4.40. Import as `from transformers import GenerationMixin` instead.",
-        FutureWarning,
-    )