def __enter__(self):
        self._orig_autocommit = self.db.get_autocommit()
        self.db.set_autocommit(False)
        self._execute('SAVEPOINT %s;' + self.quoted_sid)
        return self
dataset/ETHPy150Open coleifer/peewee/peewee.py/savepoint.__enter__/operator `%` -> `+`