def _poll_zone(zone):
    """Eventlet worker to poll a zone."""
    logging.debug(zone.api_url % _("Polling zone: %s"))
    try:
        zone.update_metadata(_call_novaclient(zone))
    except Exception, e:
        zone.log_error(traceback.format_exc())
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/scheduler/zone_manager.py/_poll_zone/swapped operands of `%`