Easily fixed. Just change get_article_url to
Code:
def get_article_url(self, article):
ans = None
try:
s = article.summary
ans = urllib.unquote(
re.search(r'href=".+?bookmark.cfm.+?link=(.+?)"', s).group(1))
except:
pass
if ans is not None:
return ans.replace('?track=rss', '')