Python环境下的错误：
Could not fetch URL https://pypi.tuna.tsinghua.edu.cn/simple/openpyxl/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host=‘pypi.tuna.tsinghua.edu.cn’, port=443): Max retries exceeded with url: /simple/openpyxl/(Caused by SSLError(SSLError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate
解决办法:
- 添加信任主机
pip --trusted-host pypi.tuna.tsinghua.edu.cn install openpyxl
- 指定镜像源
pip --trusted-host pypi.tuna.tsinghua.edu.cn install openpyxl -i https://pypi.mirrors.ustc.edu.cn/simple/
Conda环境下的更新失败：SSL错误：[SSL：CERTIFICATE_VERIFY_FAILED]
例如：
Could not fetch URL http://pypi.mirrors.ustc.edu.cn/simple/pip/: There was a problem confirming the ssl certificate: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:748) - skipping
- 解决办法：
conda config --set ssl_verify false
