old_contents: """
     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.
  """
  WEBSOCKET_PORT_NUMBER = 8081
  HTTP_PORT_NUMBER = 8080
  IP_ADDR = '127.0.0.1'
  BASE_ADDRESS = 'http://' + IP_ADDR + ':' + str(HTTP_PORT_NUMBER) + '/'
  MULTIPLE_INSTANCE = True
  # this will enable the caching of images, css, and other local resources.
  ENABLE_FILE_CACHE = True
  runtimeInstances = list()
  UPDATE_INTERVAL = 0.1
  
new_contents: """
     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.
  """
  WEBSOCKET_PORT_NUMBER = 8081
  HTTP_PORT_NUMBER = 8080
  IP_ADDR = '127.0.0.1'
  BASE_ADDRESS = 'http://' + IP_ADDR + ':' + str(HTTP_PORT_NUMBER) + '/'
  MULTIPLE_INSTANCE = False
  # this will enable the caching of images, css, and other local resources.
  ENABLE_FILE_CACHE = True
  runtimeInstances = list()
  UPDATE_INTERVAL = 0.1
  
subject: Update configuration.py