old_contents: #!/usr/bin/env python
  
  # Copyright 2016 Google Inc. 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.
  
  
  def use_logging_handler():
      # [START logging_handler_setup]
      # Imports the Google Cloud client library
      import google.cloud.logging
  
      # Instantiates a client
      client = google.cloud.logging.Client()
  
      # Connects the logger to the root logging handler; by default this captures
      # all logs at INFO level and higher
      client.setup_logging()
      # [END logging_handler_setup]
  
      # [START logging_handler_usage]
      # Imports Python standard library logging
      import logging
  
      # The data to log
      text = 'Hello, world!'
  
      # Emits the data using the standard logging module
      logging.warn(text)
      # [END logging_handler_usage]
  
      print('Logged: {}'.format(text))
  
  
  if __name__ == '__main__':
      use_logging_handler()
  
new_contents: #!/usr/bin/env python
  
  # Copyright 2016 Google Inc. 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.
  
  
  def use_logging_handler():
      # [START logging_handler_setup]
      # Imports the Google Cloud client library
      import google.cloud.logging
  
      # Instantiates a client
      client = google.cloud.logging.Client()
  
      # Connects the logger to the root logging handler; by default this captures
      # all logs at INFO level and higher
      client.setup_logging()
      # [END logging_handler_setup]
  
      # [START logging_handler_usage]
      # Imports Python standard library logging
      import logging
  
      # The data to log
      text = 'Hello, world!'
  
      # Emits the data using the standard logging module
      logging.warning(text)
      # [END logging_handler_usage]
  
      print('Logged: {}'.format(text))
  
  
  if __name__ == '__main__':
      use_logging_handler()
  
subject: Fix deprecation warning (#1801)