new_contents: #encoding=utf8
  #   Copyright (c) 2019 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.
  
  import sys
  import paddle
  import paddle.fluid as fluid
  
  
  def check_cuda(use_cuda, err = \
      "\nYou can not set use_cuda = True in the model because you are using paddlepaddle-cpu.\n \
      Please: 1. Install paddlepaddle-gpu to run your models on GPU or 2. Set use_cuda = False to run models on CPU.\n"
                                                                                                                       ):
      try:
          if use_cuda == True and fluid.is_compiled_with_cuda() == False:
              print(err)
              sys.exit(1)
      except Exception as e:
          pass
  
  
  if __name__ == "__main__":
      check_cuda(True)
  
      check_cuda(False)
  
      check_cuda(True, "This is only for testing.")
  
subject: Add model check (#2693)