python -m pip install --upgrade pip安装失败

问题描述

在python安装包的过程中 提示

错误信息

需要执行python -m pip install --upgrade pip 升级才能安装包，
但是执行python -m pip install --upgrade pip 又会报错python -m pip install --upgrade pip

解决方法

方法一:
如果是报错超时：

python -m pip install --upgrade pip -i https://pypi.douban.com/simple

方法二：
如果是执行python -m pip install --upgrade pip 又报错

WARNING: You are using pip version 19.3.1; however, version 20.0.2 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

需要执行 升级pip包，即可升级成功

>python -m pip install --upgrade --user pip

升级成功以后直接运行pip install [name_of_your_package]