Traceback (most recent call last): File "/data/www/ecun/app.py", line 3493, in get self.render(tpl+'/cun_article.html',title = title_s, cunid = cunid, cun_name = cunname, qh_name = qhname, atl = atl, class_list = classlist, news_hot = news_hot, next = next, prev = prev, cun_title = cuntitle, classname = classname, cunad = cunad, news_count = news_count, a = a, reviews = reviews, timedis = timedis, islogin = islogin, isqr = str(cun[3]), ism = ism, isa = isa, thumbs = atl[10], qh = qh, userid = userid, reviews_num = reviews_num[0], likes_num = likes_num[0], liked = liked) UnboundLocalError: local variable 'liked' referenced before assignment