不做解释了 按着来就行
PS C:\Users\msdxh> python -m ensurepip
Ignoring indexes: https://pypi.python.org/simple
Requirement already satisfied (use --upgrade to upgrade): setuptools in d:\soft\python 3.5\lib\site-packages
Collecting pip
Installing collected packages: pip
Successfully installed pip-7.1.2
PS C:\Users\msdxh> python -m pip install --upgrade pip
Collecting pip
Using cached https://files.pythonhosted.org/packages/cb/28/91f26bd088ce8e22169032100d4260614fc3da435025ff389ef1d396a433/pip-20.2.4-py2.py3-none-any.whl
Installing collected packages: pip
Found existing installation: pip 7.1.2
Uninstalling pip-7.1.2:
Successfully uninstalled pip-7.1.2
Successfully installed pip-20.2.4
更换国内院,自己翻q掠过
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple