python error when no internet access code example

Example 1: python check if internet is available

import urllib.request

def internet_on():
    try:
        urllib.request.urlopen('http://216.58.192.142', timeout=2)
        return True
    except:
        return False

Example 2: python check internet connection

import urllib2

def internet_on():
    try:
        urllib2.urlopen('http://216.58.192.142', timeout=1)
        return True
    except urllib2.URLError as err: 
        return False