关于#xml#的问题,如何解决?

import re
import requests
from lxml import etree
net = 'http://www.xinfadi.com.cn/priceDetail.html'
user ={
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.163 Safari/537.36'
}
resp = requests.post(net,headers=user)
html = etree.HTML(resp.text)
divs = html.xpath('//*[@id="tableBody"]/tr')
print(divs)
删除tbody也没用啊
这里北京新发地输出怎么是空集合啊