pip升级报错“pip is configured with locations that require TLS/SSL”

问题描述

WARNING: You are using pip version 20.2.3; however, version 22.3.1 is available.
You should consider upgrading via the 'python3 -m pip install --upgrade pip' command.

直接使用提示命令升级，报错如下

解决方案

python3 -m pip install --upgrade pip -i http://pypi.douban.com/simple --trusted-host pypi.douban.com