微博爬虫爬取不了内容，但也没报错?报错

#--coding:utf-8--
from future import unicode_literals
import re
import string
import sys
import os
import urllib
import urllib2
from bs4 import BeautifulSoup
import requests
from lxml import etree

reload(sys)
sys.setdefaultencoding('utf-8')
if(len(sys.argv)>=2):
user_id = (int)(sys.argv[1])
else:
user_id = (int)(raw_input(u"请输入user_id: "))

cookie = {"Cookie": "_T_WM=bfc9acc2453f38c7918543adde71e149; SUB=_2A2570Uu8DeTxGeRP7loW9CzJzjyIHXVZOlX0rDV6PUJbstBeLRGkkW1LHeuMqByHABJ4Pg9fO0pKBInfW3sXkg..; SUBP=0033WrSXqPxfM725Ws9jqgMF55529P9D9WWa82iK2FnOle3WX6YeyUBY5JpX5o2p; SUHB=02M-mff17Gtg3L; SSOLoginState=1456815084; gsid_CTandWM=4uTvCpOz5hRZGjMr5cGdP93Aq8S"}
url = 'http://weibo.cn/u/%d?filter=1&page=1'%user_id

html = requests.get(url, cookies = cookie).content
selector = etree.HTML(html)
pageNum = (int)(selector.xpath('//input[@name="mp"]')[0].attrib['value'])

result = ""
urllist_set = set()
word_count = 1
image_count = 1

print u'爬虫准备就绪...'

for page in range(1,pageNum+1):

#获取lxml页面
url = 'http://weibo.cn/u/%d?filter=1&page=%d'%(user_id,page)
lxml = requests.get(url, cookies = cookie).content

#文字爬取
selector = etree.HTML(lxml)
content = selector.xpath('//span[@class="ctt"]')
for each in content:
text = each.xpath('string(.)')
if word_count>=4:
text = "%d :"%(word_count-3) +text+"\n\n"
else :
text = text+"\n\n"
result = result + text
word_count += 1

#图片爬取
soup = BeautifulSoup(lxml, "lxml")
urllist = soup.find_all('a',> first = 0
for imgurl in urllist:
urllist_set.add(requests.get(imgurl['href'], cookies = cookie).url)
image_count +=1

fo = open("E:/%s"%user_id, "wb")
fo.write(result)
word_path=os.getcwd()+'/%d'%user_id
print u'文字微博爬取完毕'

link = ""
fo2 = open("E:/%s_imageurls"%user_id, "wb")
for eachlink in urllist_set:
link = link + eachlink +"\n"
fo2.write(link)
print u'图片链接爬取完毕'

if not urllist_set:
print u'该页面中不存在图片'
else:
#下载图片,保存在当前目录的pythonimg文件夹下
image_path=os.getcwd()+'/weibo_image'
if os.path.exists(image_path) is False:
os.mkdir(image_path)
x=1
for imgurl in urllist_set:
temp= image_path + '/%s.jpg' % x
print u'正在下载第%s张图片' % x
try:
urllib.urlretrieve(urllib2.urlopen(imgurl).geturl(),temp)
except:
print u"该图片下载失败:%s"%imgurl
x+=1

print u'原创微博爬取完毕，共%d条，保存路径%s'%(word_count-4,word_path)