python爬虫代码能够正常运行，但是数据无法获取。求大神指导

[rookieflying]

#coding=gbk
"""
Created on Mon Mar 06 15:28:51 2017

@author: Wei Qingdongsys.setdefaultencoding("u
"""

from __future__ import print_function  
import urllib2  
import codecs  
from bs4 import BeautifulSoup  

strYear = "2013"              
strFile = "qingdaoWeather" + strYear + ".csv"

  
f = codecs.open(strFile, "w","gbk")  
  
for month in range(1,13):  
    if(month < 10):  
        strMonth = '0' + str(month) + '-'
    else:  
        strMonth = str(month) + '-'  
    strYearMonth = strMonth + strYear 
    print("\nGetting data for month" + strYearMonth + "...", end='')  
      
    url  = "http://en.tutiempo.net/climate/"+strYearMonth+ "ws-548570" + ".html"  
    page = urllib2.urlopen(url)  
    soup = BeautifulSoup(page)  
    weatherSet = soup.find(attrs={"class":"tooltip"})  
    if(weatherSet == None):  
        print("fail to get the page", end='')   
        continue  
      
    for line in weatherSet.contents:  
        if(line.__class__.__name__ == 'NavigableString'): continue  
        if(len(line.attrs) > 0): continue  
        lis = line.findAll('td')  
        T = lis[0].text  
        TM = lis[1].text  
        Tm = lis[2].text 
        SLP = lis[3].text 
        H = lis[4].text 
        PP = lis[5].text 
                        
       
                             
        f.write(T +',' + TM + ',' + Tm  +','+ SLP +','+H+','+ PP +'\n')  
    print("done", end='')  
      
f.close()  
print ("\nover")