PIP安装错误 WARNING: Value for scheme.headers does not match. Please report this to<>

PIP安装错误 WARNING: Value for scheme.headers does not match. Please report this to<>_第1张图片

按照官网安装最新版pip出现如下错误:
在这里插入图片描述

所以将降级为9.0版本。由于我降9.0版本还是出错所以我选择了8.0

python -m pip install pip==9.0.0

PIP安装错误 WARNING: Value for scheme.headers does not match. Please report this to<>_第2张图片

更新pip

py -m pip install -U pip

成功
PIP安装错误 WARNING: Value for scheme.headers does not match. Please report this to<>_第3张图片

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