[rm fluid] clear __all_ (#51066)

python/paddle/incubate/distributed/fleet/base.py

@@ -21,7 +21,7 @@ from paddle.fluid.optimizer import SGD
 from paddle.optimizer import SGD as SGD_v2
 from paddle.static.amp.decorator import OptimizerWithMixedPrecision
 
-__all__ = ['Mode', 'Fleet', 'DistributedOptimizer']
+__all__ = []
 
 
 class Mode:

python/paddle/incubate/distributed/fleet/parameter_server/distribute_transpiler/distributed_strategy.py

@@ -12,15 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__all__ = [
-    "TrainerRuntimeConfig",
-    "DistributedStrategy",
-    "SyncStrategy",
-    "AsyncStrategy",
-    "HalfAsyncStrategy",
-    "GeoStrategy",
-    "StrategyFactory",
-]
+__all__ = []
 
 import os
 

python/paddle/incubate/distributed/fleet/role_maker.py

@@ -19,15 +19,7 @@ from multiprocessing import Manager, Process
 
 import paddle.fluid as fluid
 
-__all__ = [
-    'Role',
-    'RoleMakerBase',
-    'MPISymetricRoleMaker',
-    'UserDefinedRoleMaker',
-    'UserDefinedCollectiveRoleMaker',
-    'PaddleCloudRoleMaker',
-    'GeneralRoleMaker',
-]
+__all__ = []
 
 
 class Role: