chore: import upstream snapshot with attribution

python/paddle/incubate/nn/__init__.py

@@ -0,0 +1,34 @@
+#   Copyright (c) 2021 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 .layer.fused_dropout_add import FusedDropoutAdd
+from .layer.fused_dropout_nd import FusedDropout  # noqa: F401
+from .layer.fused_linear import FusedLinear
+from .layer.fused_transformer import (
+    FusedBiasDropoutResidualLayerNorm,
+    FusedFeedForward,
+    FusedMultiHeadAttention,
+    FusedMultiTransformer,
+    FusedTransformerEncoderLayer,
+)
+
+__all__ = [
+    'FusedMultiHeadAttention',
+    'FusedFeedForward',
+    'FusedTransformerEncoderLayer',
+    'FusedMultiTransformer',
+    'FusedLinear',
+    'FusedBiasDropoutResidualLayerNorm',
+    'FusedDropoutAdd',
+]