remove fluid for auto_checkpoint. (#32157)

* remove fluid for auto_checkpoint.

* fix bug.

python/paddle/incubate/__init__.py

@@ -13,9 +13,11 @@
 # limitations under the License.
 
 from . import optimizer
+from . import checkpoint
 from ..fluid.contrib import reader
 from ..fluid.layer_helper import LayerHelper
 
 __all__ = []
 __all__ += ["reader"]
 __all__ += optimizer.__all__
+__all__ += checkpoint.__all__

python/paddle/incubate/checkpoint/__init__.py

+# 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 ...fluid.incubate.checkpoint import auto_checkpoint
+
+__all__ = ["auto_checkpoint"]

python/setup.py.in

@@ -145,6 +145,7 @@ packages=['paddle',
           'paddle.distributed',
           'paddle.incubate',
           'paddle.incubate.optimizer',
+          'paddle.incubate.checkpoint',
           'paddle.distributed.fleet',
           'paddle.distributed.fleet.base',
           'paddle.distributed.fleet.meta_optimizers',