Sometimes, foreign speed really is not ideal.
I want to install python library, or domestic hurry.
Reference URL:
http://www.mamicode.com/info-detail-2248964.html
Ali cloud http://mirrors.aliyun.com/pypi/simple/
China University of Science and Technology https://pypi.mirrors.ustc.edu.cn/simple/
watercress (douban) http://pypi.douban.com/simple /
Tsinghua https://pypi.tuna.tsinghua.edu.cn/simple/
University of Science and technology of China http://pypi.mirrors.ustc.edu.cn/simple/
PIP install module HTTP -i: // pypi.douban.com/simple --trusted-Host pypi.douban.com