old_contents: #   Copyright (c) 2018 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 distribute_transpiler import DistributeTranspiler
  from inference_transpiler import InferenceTranspiler
  from memory_optimization_transpiler import memory_optimize, release_memory
  from distribute_transpiler_simple import SimpleDistributeTranspiler
  from ps_dispatcher import HashName, RoundRobin
  
  __all__ = [
      "DistributeTranspiler", "InferenceTranspiler", "SimpleDistributeTranspiler",
      "memory_optimize", "release_memory", "HashName", "RoundRobin"
  ]
  
new_contents: #   Copyright (c) 2018 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 distribute_transpiler import DistributeTranspiler
  from inference_transpiler import InferenceTranspiler
  from memory_optimization_transpiler import memory_optimize, release_memory
  from ps_dispatcher import HashName, RoundRobin
  
  __all__ = [
      "DistributeTranspiler", "InferenceTranspiler", "memory_optimize",
      "release_memory", "HashName", "RoundRobin"
  ]
  
subject: remove simple distranspiler in transpiler/ repo