docs: def get_user_ratings(self, item_type=None):
          """
          Returns a list of the ratings for the type of item provided, for the current user.
  
          :param item_type: One of: series, episode or banner.
          :return: a python dictionary with either the result of the search or an error from TheTVDB.
          """
  
          if item_type:
              query_string = 'itemType=%s' % item_type
  
              return self.parse_raw_response(
                  requests_util.run_request('get', self.API_BASE_URL + '/user/ratings/qeury?%s' % query_string,
                                            headers=self.__get_header_with_auth()))
          else:
              return self.__get_user_ratings()