def __CastUser(self, values):
    if len(values) != 1:
      self.__CastError('user', values, 'requires one and only one value')
    elif values[0] is None:
      self.__CastError('user', values, 'must be non-null')
    else:
      return users.User(email=values[0], _auth_domain=self.__auth_domain)
Generates screen to be able to load local model file.
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/gql/__init__.py/GQL.__CastUser--crossover with--dataset/ETHPy150Open apache/climate/RCMES/cli_app.py/load_local_model_screen