解决办法就是换将国内源:https://pypi.douban.com/simple
ython -m pip install --upgrade pip -i https://pypi.douban.com/simple
Last modification：August 12th, 2020 at 12:17 am
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'python -m pip install --upgrade pip' 报错问题
解决办法就是换将国内源:https://pypi.douban.com/simple
ython -m pip install --upgrade pip -i https://pypi.douban.com/simple