关闭证书验证

import urllib.request
import ssl

# 关闭ssl证书验证(固定写法)
ssl._create_default_https_context = ssl._create_unverified_context
url = 'https://inv-veri.chinatax.gov.cn/'
res = urllib.request.urlopen(url)

# 输出状态码
print(res.getcode())