How to use the execo.log.style.user2 function in execo

self.hosts = list(hosts)
        self.master = self.hosts[0]

        # Create topology
        self.topology = HadoopTopology(hosts, topo_list)

        # Store cluster information
        self.hw = hw_manager.make_deployment_hardware()
        self.hw.add_hosts(self.hosts)
        self.master_cluster = self.hw.get_host_cluster(self.master)

        # Create a string to display the topology
        t = {v: [] for v in self.topology.topology.values()}
        for key, value in self.topology.topology.iteritems():
            t[value].append(key.address)
        log_topo = ', '.join([style.user2(k) + ': ' +
                              ' '.join(map(lambda x: style.host(x.split('.')[0]), v))
                              for k, v in t.iteritems()])
        
        logger.info("Hadoop cluster created with master %s, hosts %s and "
                    "topology %s",
                    style.host(self.master.address), 
                    ' '.join([style.host(h.address.split('.')[0])
                              for h in self.hosts]),
                    log_topo)

hc.execute_jar(HadoopJarJob(args.jarjob[0]), verbose=verbose)

    if args.copyhistory:
        hc.copy_history(args.copyhistory[0])

    if args.stop:
        hc.stop()

    if args.clean:
        hc.clean()
    
    if args.state:
        if args.state == "general":
            
            logger.info("---------------------------------------------------------")
            logger.info(style.user2("Hadoop Cluster with ID " + str(hc_id)))
            logger.info(style.user1("    Version: ") + hc.get_version())
            logger.info(style.user1("    Master: ") + str(hc.master))
            logger.info(style.user1("    Hosts: ") + str(hc.hosts))
            logger.info(style.user1("    Topology: "))
            for h in hc.hosts:
                logger.info("        " + str(h) + " -> " + str(hc.topology.get_rack(h)))
            if hc.initialized:
                if hc.running:
                    logger.info("The cluster is " + style.user3("running"))
                else:
                    logger.info("The cluster is " + style.user3("stopped"))
            else:
                logger.info("The cluster is not " + style.user3("initialized"))
            logger.info("---------------------------------------------------------")
        
        elif args.state == "files":