警告内容

WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv

解决方法

具体流程（备份）

然后执行命令仍然报错

参考该文章

执行

然后再次执行命令即可完成