'Checks to see if a passed in port arg is present on a different host'

def port_on_diff_host(self, arg_port):

    for host in self.all_hosts:
        if (self.host_obj['name'] != self.name):
            for port in host['ports']:
                if (arg_port['label'] == port['label']):
                    self.other_host = host
                    return True
    return False
