python错误合集：SSLError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:852)‘)

@[TOC](SSLError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:852)’))

错误信息

Could not fetch URL https://pypi.tuna.tsinghua.edu.cn/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.tuna.tsinghua.edu.cn', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError(SSLError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:852)'),)) - skipping

出处

使用pip安装python包时出现的错误，尤其是所在环境需要代理等网络限制

pip install easydict -i https://pypi.tuna.tsinghua.edu.cn/simple/

解决

对下载地址添加HTTPS信任，–trusted-host，可以通过pip install --help查看，具体如下：

pip install easydict -i https://pypi.tuna.tsinghua.edu.cn/simple/ --trusted-host pypi.tuna.tsinghua.edu.cn