标签：sim lan ref solution blank ruby ring host erro
ReadTimeoutError: HTTPSConnectionPool(host=‘pypi.python.org‘, port=443): Read timed out.$ pip install matplotlib -i https://pypi.douban.com/simple标签：sim lan ref solution blank ruby ring host erro
原文地址：http://www.cnblogs.com/zknublx/p/7536030.html
