python pip install 报：HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.错误

In the afternoon when you want to install scrapy frame error, as shown:

 

Online search for a moment: because the network installation leads to poor time-out, so use to specify the source of installation methods can be resolved :

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

Red font indicates that the module to be installed