def chkopts(opts):
    if opts.uuid:
        if not is_uuid(opts.uuid):
            raise KssCommandOptException((opts.uuid) % 'ERROR: Illigal UUID. uuid=%s')
    else:
        raise KssCommandOptException('ERROR: -u or --uuid option is required.')
dataset/ETHPy150Open karesansui/karesansui/bin/delete_export_data.py/chkopts/swapped operands of `%`