url = (
    """http://scontent-b.cdninstagram.com/hphotos-xfa1/t51.2885-15/e15/10919672_584633251672188_179950734_n.jpg"""
    )
f = open('out.jpg', 'wb')
f.write(urllib.request.urlopen(url).read())
Sending photo from URL with Telegram Bot