code: def get_series_by_id(self, series_id):
          
          try:
              return self.api.get_series(series_id), None
          except exceptions.TVDBRequestException as err:
              LOG.exception('search for series %s failed', series_id)
              return None, _as_str(err)
docs: Perform lookup for series
  
          :param int series_id: series id of series
          :returns: instance of series
          :rtype: object