[lxml] the lxml.etree bug

Hello: I try to parse the page: http://www.liqucn.com. My py-code: #coding=utf-8 from lxml import etree,tostring import requests resp = requests.get('http://www.liqucn.com') html = resp.text page = etree.HTML(html) print tostring(page) #------------------------------------- I found many missing html-code where affter '<span class="app_ico"><a href="http://www.liqucn.com/yx/17773.shtml" target="_blank" lz_src="http://images.liqucn.com/mini/60x60/h005/h79/img201208220736340_60x60.png " '.I am doubt this result very confused.You can you open this url, see the source code, and then run my code.Thank you!