ReadTimeoutError: HTTPSConnectionPool(host=‘files.pythonhosted.org‘, port=443): Read timed out.
You are using pip version 9.0.1, however version 10.0.1 is available.
You should consider upgrading via the ‘python -m pip install --upgrade pip‘ command.
更新pip 重新install
ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.
原文：https://www.cnblogs.com/lxwphp/p/9126008.html