Zabbix Ping check

ping_check.conf

UserParameter=ping_check[*], /etc/zabbix/ping_check.py $1

ping_check.py

#!/usr/bin/env python
# coding: utf-8

import os
import sys
import subprocess as sub

ping_ip = sys.argv[1]

response = sub.call(['ping', '-c', '1', '-W', '1', '{}'.format(ping_ip)}, stdout=open(os.devnull, 'wb'))

if response == 0:
    print 'UP'
else:
    print 'DOWN'

syntax error : '{}'.format(ping_ip)} <- should be ']'
syntax error 2 : print 'UP' <- should be print('UP')