old_contents: # -*- coding: utf-8 -*-
  
  """
  @author: Seva Zhidkov
  @contact: zhidkovseva@gmail.com
  @license: The MIT license
  
  Copyright (C) 2015
  """
  
new_contents: # -*- coding: utf-8 -*-
  
  """
  @author: Seva Zhidkov
  @contact: zhidkovseva@gmail.com
  @license: The MIT license
  
  Copyright (C) 2015
  """
  import os
  
  
  class Config:
      pass
  
subject: Add empty config class