def handle_events(self, events, env):
        emsg = ', '.join("%s: %s" % (event['event_type'], event['message_id'])
                         for event in events)
        logger.info("Received %s events: \n%s" + (len(events), emsg))
        return events
dataset/ETHPy150Open openstack/stacktach-winchester/winchester/pipeline_handler.py/LoggingHandler.handle_events/operator `%` -> `+`