chore: import upstream snapshot with attribution

python/paddle/nn/utils/__init__.py

@@ -0,0 +1,34 @@
+#   Copyright (c) 2023 PaddlePaddle Authors. 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.
+
+from . import rnn  # noqa: F401
+from .clip_grad_norm_ import clip_grad_norm_
+from .clip_grad_value_ import clip_grad_value_
+from .spectral_norm_hook import spectral_norm
+from .transform_parameters import (
+    _stride_column,  # noqa: F401
+    parameters_to_vector,
+    vector_to_parameters,
+)
+from .weight_norm_hook import remove_weight_norm, weight_norm
+
+__all__ = [
+    'weight_norm',
+    'remove_weight_norm',
+    'spectral_norm',
+    'parameters_to_vector',
+    'vector_to_parameters',
+    'clip_grad_norm_',
+    'clip_grad_value_',
+]