@classmethod
    def resolve(cls, value):
        if isinstance(value, _Default):
            v = value.value
            if v > cls._notset:
                return None
            else:
                return v
        else:
            return value
dataset/ETHPy150Open openstack/oslo.db/oslo_db/sqlalchemy/enginefacade.py/_Default.resolve/operator `is` -> `>`