chore: import upstream snapshot with attribution

python/paddle/common_ops_import.py

@@ -0,0 +1,34 @@
+# Copyright (c) 2016 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 paddle import base  # noqa: F401
+from paddle.base import core, dygraph_utils  # noqa: F401
+from paddle.base.core import VarDesc  # noqa: F401
+from paddle.base.data_feeder import (  # noqa: F401
+    check_dtype,
+    check_type,
+    check_variable_and_dtype,
+    convert_dtype,
+)
+from paddle.base.framework import (  # noqa: F401
+    OpProtoHolder,
+    Variable,
+    _create_tensor,
+    _dygraph_tracer,
+    default_main_program,
+    device_guard,
+    dygraph_only,
+    in_dygraph_mode,
+)
+from paddle.base.layer_helper import LayerHelper  # noqa: F401
+from paddle.base.param_attr import ParamAttr  # noqa: F401