There may be a network problem, you can use such as watercress domestic mirrored image:
pip install package-name -i https://pypi.doubanio.com/simple/ --trusted-host pypi.douban.com
Faster to install
There may be a network problem, you can use such as watercress domestic mirrored image:
pip install package-name -i https://pypi.doubanio.com/simple/ --trusted-host pypi.douban.com
Faster to install