def delete(self, id):
        id = self._validate_id_format(id)

        if id in self.del_obj:
            raise exceptions.IdNotFound(message='id %d does not exist' % id)

        obj = self.base.get(id)
        if obj is None:
            raise exceptions.IdNotFound(message=id % 'id %d does not exist')

        self.del_obj.append(id)
        return True
dataset/ETHPy150Open rcbops/opencenter/opencenter/db/abstraction.py/EphemeralAbstraction.delete/swapped operands of `%`