pyquery :contains error

test.py

# -*- coding: utf-8 -*-
import urllib
from pyquery import PyQuery as pq
import sys
import re

keyword="黑魔女学园 720P TSDM"
s_utf=keyword#.decode(sys.stdin.encoding).encode("utf-8")
url_str='http://bt.ktxp.com/search.php?keyword=%s'%urllib.quote(s_utf)
d = pq(url=url_str)
div=d('tbody tr')
diva=div('.title_s a')
for i in diva("[href^='/html']"):
    print re.sub(r'(?=\<).*?(?<=>)','', pq(i).html())
for i in diva("[href$='.torrent']"):
    print pq(i).attr('href')
for i in div(":contains(':')"):
    print pq(i).attr('title')