pip安装报错问题汇总
1、HTTPS安全性验证问题
报错信息
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None))
after connection broken by 'ProxyError('Cannot connect to proxy.',
NewConnectionError(':
Failed to establish a new connection: [WinError 10061] 由于目标计算机积极拒绝，无法连接。
解决办法
将下载源临时添加为trusted-host
pip3 install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cu113 --trusted-host download.pytorch.org
