imgur album scraper

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

from bs4 import BeautifulSoup
import requests
import webbrowser

# http://s.imgur.com/a/ksnRO/zip

def main():
	arr = []
	url = 'http://imgur.com/a/ksnRO/layout/blog'
	html = requests.get(url).text;
	soup = BeautifulSoup( html )

	for node in soup.find_all('div',{'class' : 'post-image'}):
		try:
			image_url = node.img.get('src')
			arr.append(image_url)
			#webbrowser.open('http:'+image_url)
			#break
		except AttributeError:
			print node
			pass

	print len(arr)


if __name__ == '__main__':
	main()