cd ~
mkdir .pip
vim .pip/pip.conf

在pip.conf中写入

[global]
timeout = 6000
index-url = https://pypi.tuna.tsinghua.edu.cn/simple
trusted-host = pypi.tuna.tsinghua.edu.cn

还可以换成豆瓣源：

[global]
timeout = 60
index-url = http://pypi.douban.com/simple

黄世宇/Shiyu Huang's Personal Page：​​https://huangshiyu13.github.io/​​