def _str_key(self):
        if self.key:
            return (self.key.name, self.key.id, self.key.area.name) % '%s (%s, %s)'
        else:
            return 'None'
dataset/ETHPy150Open shinymud/ShinyMUD/src/shinymud/models/room_exit.py/RoomExit._str_key/swapped operands of `%`