Perform lookup for series

        :param int series_id: series id of series
        :returns: instance of series
        :rtype: object

def get_series_by_id(self, series_id):
        """Perform lookup for series

        :param int series_id: series id of series
        :returns: instance of series
        :rtype: object
        """
        series = trakt.Trakt['search'].lookup(series_id, 'trakt-show')
        if not series:
            return None, 'Not Found'
        return series, None