1、在线安装
pip install --upgrade pip
或者
yum upgrade python-setuptools
yum install python-pip
2、离线安装
python -m pip install --upgrade C:\Users\Administrator\Desktop\pip-21.0.1-py3-none-any.whl
解决ModuleNotFoundError: No module named 'pip'问题
python -m ensurepip
python -m pip install --upgrade pip
wxPython-4.0.7.post2-cp38-cp38-win32下载地址
https://pypi.org/project/wxPython/4.0.7/#files