换pip源

vim ~/.pip/pip.conf

[global]
index-url = http://mirrors.aliyun.com/pypi/simple/

[install]
trusted-host=mirrors.aliyun.com

[global]
index-url = https://pypi.tuna.tsinghua.edu.cn/simple
[install]
trusted-host=pypi.tuna.tsinghua.edu.cn
disable-pip-version-check = true
timeout = 6000

pip install . -i https://pypi.tuna.tsinghua.edu.cn/simple