old_contents: from pal.services.bonapp_service import BonAppService
  from pal.services.dictionary_service import DictionaryService
  from pal.services.directory_service import DirectoryService
  from pal.services.joke_service import JokeService
  from pal.services.movie_service import MovieService
  from pal.services.service import wrap_response
  from pal.services.ultralingua_service import UltraLinguaService
  from pal.services.weather_service import WeatherService
  from pal.services.facebook_service import FacebookService
  from pal.services.yelp_service import YelpService
  from pal.services.wa_service import WAService
  
  
  _SERVICE_CLASSES = [
      BonAppService,
      DictionaryService,
      DirectoryService,
      JokeService,
      FacebookService,
      MovieService,
      UltraLinguaService,
      WAService,
      WeatherService,
      YelpService,
  ]
  _SERVICES = {cls.short_name(): cls() for cls in _SERVICE_CLASSES}
  
  
  @wrap_response
  def no_response():
      return ('ERROR', "Sorry, I'm not sure what you mean.")
  
  
  def get_all_service_names():
      return _SERVICES.keys()
  
  
  def get_service_by_name(name):
      if name in _SERVICES:
          return _SERVICES[name]
  
new_contents: from pal.services.bonapp_service import BonAppService
  from pal.services.dictionary_service import DictionaryService
  from pal.services.directory_service import DirectoryService
  from pal.services.joke_service import JokeService
  from pal.services.movie_service import MovieService
  from pal.services.service import wrap_response
  from pal.services.ultralingua_service import UltraLinguaService
  from pal.services.weather_service import WeatherService
  from pal.services.facebook_service import FacebookService
  from pal.services.yelp_service import YelpService
  from pal.services.wa_service import WAService
  
  
  _SERVICE_CLASSES = [
      BonAppService,
      DictionaryService,
      DirectoryService,
      FacebookService,
      JokeService,
      MovieService,
      UltraLinguaService,
      WAService,
      WeatherService,
      YelpService,
  ]
  _SERVICES = {cls.short_name(): cls() for cls in _SERVICE_CLASSES}
  
  
  @wrap_response
  def no_response():
      return ('ERROR', "Sorry, I'm not sure what you mean.")
  
  
  def get_all_service_names():
      return _SERVICES.keys()
  
  
  def get_service_by_name(name):
      if name in _SERVICES:
          return _SERVICES[name]
  
subject: Put JokeService in the right place alphabetically