old_contents: __title__ = 'rap'
  __version__ = '0.1.0'
  __author__ = 'LIU Lu'
  __contact__ = 'nudtlliu@gmail.com'
  __license__ = 'MIT'
  __all__ = [
      'base', 'servicefactory', 'mapbox', 'graphhopper', 'mapzen', 'google',
      'here', 'tomtom'
  ]
  
new_contents: __title__ = 'rap'
  __version__ = '0.1.0'
  __author__ = 'LIU Lu'
  __contact__ = 'nudtlliu@gmail.com'
  __license__ = 'MIT'
  __all__ = [
      'base', 'servicefactory', 'mapbox', 'graphhopper', 'mapzen', 'google',
      'here', 'tomtom'
  ]
  
  from .servicefactory import RoutingServiceFactory
  
subject: adjust formats