def _get_anno_id(self, start):
        """get annotation ID for frame starting at start """
        if self.orientation > 0: # positive strand
            return '%s:%d' % (self.id, start % 3)
        else: # negative strand
            return (self.id, (-start) % 3) % '%s:-%d'
dataset/ETHPy150Open cjlee112/pygr/pygr/translationDB.py/SeqTranslator._get_anno_id/swapped operands of `%`