code: def get_user_obj(self, username=None, attribute_list=None, metadata=None,
                       attr_map=None):
          
          return self.user_class(username=username,attribute_list=attribute_list,
                                 cognito_obj=self,
                                 metadata=metadata,attr_map=attr_map)
docs: Returns the specified
          :param username: Username of the user
          :param attribute_list: List of tuples that represent the user's
              attributes as returned by the admin_get_user or get_user boto3 methods
          :param metadata: Metadata about the user
          :param attr_map: Dictionary that maps the Cognito attribute names to
          what we'd like to display to the users
          :return: