当我跑步时:
pip install cairocffi==0.9.0
我得到:
...
Download error on https://pypi.org/simple/: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:852) -- Some packages may not be found!
...
答案 0 :(得分:1)
由于缺少某些SSL证书而发生错误。为了解决这个问题,我跑了:
pip install certifi==2017.4.17