old_contents: from .article import controller as article_api
  from .list import controller as list_api
  from .user import controller as user_api
  from .group import controller as group_api
  from .comment import controller as comment_api
  from .article import model as article_model
  from .list import model as list_model
  from .user import model as user_model
  from .group import model as group_model
  from .comment import model as comment_model
  
  # APIDOC Inherit Doc
  
  
  """
  @apiDefine AuthorizationTokenHeader
  @apiHeader {String} Access-Token Access token obtains from Oauth2 provider.
  @apiHeader {String} Provider-Name Oauth2 provider name.
  @apiHeaderExample {json} Header (Example):
      {
          "Access-Token": "12xsdklajlkadsf",
          "Provider-Name": "Google"
      }
  """
  
  """
  @apiDefine UnauthorizedAccessError
  @apiError UnauthorizedAccessError User's access token is not valid
  @apiErrorExample Error 401
      {
          "msg": "Unauthorized access"
      }
  """
  
  """
  @apiDefine ListDoesNotExist
  apiError ListDoesNotExist The list does not exist
  @apiErrorExample Error 400
      {
          "msg": "List does not exist"
      }
  """
  
  """
  @apiDefine ArticleDoesNotExist
  apiError ArticleDoesNotExist The article does not exist
  @apiErrorExample Error 400
      {
          "msg": "Article does not exist"
      }
  """
  
  """
  @apiDefine InvalidObjectID
  apiError ArticleDoesNotExist The article does not exist
  @apiErrorExample Error 400
      {
          "msg": "ObjectID is not valid"
      }
  """
  
  """
  @apiDefine UserNotInGroup
  apiError UserNotInGroup The user is not in any group
  @apiErrorExample Error 204
      {
          "msg": "User is not in any group"
      }
  """
new_contents: from .article import controller as article_api
  from .list import controller as list_api
  from .user import controller as user_api
  from .group import controller as group_api
  from .comment import controller as comment_api
  from .article import model as article_model
  from .list import model as list_model
  from .user import model as user_model
  from .group import model as group_model
  from .comment import model as comment_model
  
  # APIDOC Inherit Doc
  
  
  """
  @apiDefine AuthorizationTokenHeader
  @apiHeader {String} Access-Token Access token obtains from Oauth2 provider.
  @apiHeader {String} Provider-Name Oauth2 provider name.
  @apiHeaderExample {json} Header (Example):
      {
          "Access-Token": "12xsdklajlkadsf",
          "Provider-Name": "Google"
      }
  """
  
  """
  @apiDefine GroupAccessDenied
  @apiError GroupAccessDenied User does not have accesss to the group
  @apiErrorExample Error 401
      {
          "msg": "User does not have read permission"
      }
  """
  
  """
  @apiDefine UnauthorizedAccessError
  @apiError UnauthorizedAccessError User's access token is not valid
  @apiErrorExample Error 401
      {
          "msg": "Unauthorized access"
      }
  """
  
  """
  @apiDefine ListDoesNotExist
  apiError ListDoesNotExist The list does not exist
  @apiErrorExample Error 400
      {
          "msg": "List does not exist"
      }
  """
  
  """
  @apiDefine ArticleDoesNotExist
  apiError ArticleDoesNotExist The article does not exist
  @apiErrorExample Error 400
      {
          "msg": "Article does not exist"
      }
  """
  
  """
  @apiDefine InvalidObjectID
  apiError ArticleDoesNotExist The article does not exist
  @apiErrorExample Error 400
      {
          "msg": "ObjectID is not valid"
      }
  """
  
  """
  @apiDefine UserNotInGroup
  apiError UserNotInGroup The user is not in any group
  @apiErrorExample Error 204
      {
          "msg": "User is not in any group"
      }
  """
  
  """
  @apiDefine GroupDoesNotExist
  @apiError GroupDoesNotExist The group does not exist
  @apiErrorExample Error 204
      {
          "msg": "Group does not exist"
      }
  """
subject: add doc