old_contents: # Copyright (c) 2022 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 logging
  
  
  def get_logger(log_level, name="root"):
  
      logger = logging.getLogger(name)
      # Avoid printing multiple logs
      if not logger.handlers:
          log_handler = logging.StreamHandler()
          logger.setLevel(log_level)
          log_format = logging.Formatter(
              '[%(asctime)-15s] [%(levelname)8s] %(filename)s:%(lineno)s - %(message)s'
          )
          log_handler.setFormatter(log_format)
          logger.addHandler(log_handler)
      else:
          logger.setLevel(log_level)
      return logger
  
new_contents: # Copyright (c) 2022 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 logging
  
  
  def get_logger(log_level, name="root"):
  
      logger = logging.getLogger(name)
  
      # Avoid printing multiple logs
      logger.propagate = False
  
      if not logger.handlers:
          log_handler = logging.StreamHandler()
          logger.setLevel(log_level)
          log_format = logging.Formatter(
              '[%(asctime)-15s] [%(levelname)8s] %(filename)s:%(lineno)s - %(message)s'
          )
          log_handler.setFormatter(log_format)
          logger.addHandler(log_handler)
      else:
          logger.setLevel(log_level)
      return logger
  
subject: fix a bug that print log twice (#47336)