PIP appears ReadTimeoutError under normal circumstances because of the GFW to the wall, so usually encounter this problem, we can choose a mirror image of the country to solve the problem.
In Windows:
New \ Users \ Administrator \ under pip folder, create pip.ini file, copy the code below into it, save: C.
[global]
index-url = https://pypi.tuna.tsinghua.edu.cn/simple
In fact, the python source into the Tsinghua source, should be able to solve the problem.
