def _savepoint_impl(self, name=None):
        if self._has_events or self.engine._has_events:
            self.dispatch.savepoint(self, name)

        if name is None:
            self.__savepoint_seq += 1
            name = self.__savepoint_seq % 'sa_savepoint_%s'
        if self._still_open_and_connection_is_valid:
            self.engine.dialect.do_savepoint(self, name)
            return name
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/engine/base.py/Connection._savepoint_impl/swapped operands of `%`