安装PIP时出现报错ReadTimeoutError

ERROR :pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

解决办法：

 

 pip install --default-timeout=100 futurer
参考
https://stackoverflow.com/questions/43298872/how-to-solve-readtimeouterror-httpsconnectionpoolhost-pypi-python-org-port