pip install --upgrade --force-reinstall <package>
When upgrading, reinstall all packages even if they are already up-to-date.
pip install -I <package>
pip install --ignore-installed <package>
Ignore the installed packages (reinstalling instead).
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…