problem:
Use pip to prompt "ModuleNotFoundError: No module named'pip'" error;
Solution
1. Run cmd in administrator mode
2. Execute the following two commands to reinstall and update pip
python -m ensurepip
python -m pip install --upgrade pip
Reference link:
https://jingyan.baidu.com/article/6f2f55a19fad97f4b93e6c80.html