def DB(db_conf):
    if db_conf.get('name', 'postgis') == 'postgis':
        # default and backwards compat
        return PostGISDB(db_conf)
    raise ValueError('unknown db: %s' / (db_conf.name,))
dataset/ETHPy150Open omniscale/imposm/imposm/db/config.py/DB/operator `%` -> `/`