How to use the sshuttle.helpers.family_ip_tuple function in sshuttle

def test_family_ip_tuple():
    assert sshuttle.helpers.family_ip_tuple("127.0.0.1") \
        == (AF_INET, "127.0.0.1")
    assert sshuttle.helpers.family_ip_tuple("192.168.2.6") \
        == (AF_INET, "192.168.2.6")
    assert sshuttle.helpers.family_ip_tuple("::1") \
        == (AF_INET6, "::1")
    assert sshuttle.helpers.family_ip_tuple("2404:6800:4004:80c::1") \
        == (AF_INET6, "2404:6800:4004:80c::1")

def test_family_ip_tuple():
    assert sshuttle.helpers.family_ip_tuple("127.0.0.1") \
        == (AF_INET, "127.0.0.1")
    assert sshuttle.helpers.family_ip_tuple("192.168.2.6") \
        == (AF_INET, "192.168.2.6")
    assert sshuttle.helpers.family_ip_tuple("::1") \
        == (AF_INET6, "::1")
    assert sshuttle.helpers.family_ip_tuple("2404:6800:4004:80c::1") \
        == (AF_INET6, "2404:6800:4004:80c::1")

def test_family_ip_tuple():
    assert sshuttle.helpers.family_ip_tuple("127.0.0.1") \
        == (AF_INET, "127.0.0.1")
    assert sshuttle.helpers.family_ip_tuple("192.168.2.6") \
        == (AF_INET, "192.168.2.6")
    assert sshuttle.helpers.family_ip_tuple("::1") \
        == (AF_INET6, "::1")
    assert sshuttle.helpers.family_ip_tuple("2404:6800:4004:80c::1") \
        == (AF_INET6, "2404:6800:4004:80c::1")

def test_family_ip_tuple():
    assert sshuttle.helpers.family_ip_tuple("127.0.0.1") \
        == (AF_INET, "127.0.0.1")
    assert sshuttle.helpers.family_ip_tuple("192.168.2.6") \
        == (AF_INET, "192.168.2.6")
    assert sshuttle.helpers.family_ip_tuple("::1") \
        == (AF_INET6, "::1")
    assert sshuttle.helpers.family_ip_tuple("2404:6800:4004:80c::1") \
        == (AF_INET6, "2404:6800:4004:80c::1")

if opt.firewall:
            if opt.subnets or opt.subnets_file:
                parser.error('exactly zero arguments expected')
            return firewall.main(opt.method, opt.syslog)
        elif opt.hostwatch:
            return hostwatch.hw_main(opt.subnets, opt.auto_hosts)
        else:
            includes = opt.subnets + opt.subnets_file
            excludes = opt.exclude
            if not includes and not opt.auto_nets:
                parser.error('at least one subnet, subnet file, '
                             'or -N expected')
            remotename = opt.remote
            if remotename == '' or remotename == '-':
                remotename = None
            nslist = [family_ip_tuple(ns) for ns in opt.ns_hosts]
            if opt.seed_hosts:
                sh = re.split(r'[\s,]+', (opt.seed_hosts or "").strip())
            elif opt.auto_hosts:
                sh = []
            else:
                sh = None
            if opt.listen:
                ipport_v6 = None
                ipport_v4 = None
                lst = opt.listen.split(",")
                for ip in lst:
                    family, ip, port = parse_ipport(ip)
                    if family == socket.AF_INET6:
                        ipport_v6 = (ip, port)
                    else:
                        ipport_v4 = (ip, port)