def migrate(migrator, database, fake=False, **kwargs):
    IPListModel = migrator.orm["iplist"]
    IPListModel.update(expiration=IPListModel.dos_expiration).where(
        (IPListModel.listname == "GRAY")
        & (IPListModel.expiration < IPListModel.dos_expiration)
    ).execute()


def rollback(migrator, database, fake=False, **kwargs):
    pass