使用requests的时候报错：
.virtualenvs/py3/lib/python3.6/site-packages/urllib3/connectionpool.py:858:
InsecureRequestWarning: Unverified HTTPS request is being made.
Adding certificate verification is strongly advised. See:
https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings按照提示查看：
https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
在文件顶部加上以下语句就不报错了
import urllib3
urllib3.disable_warnings()
