WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘ProxyError(‘Cannot connect to proxy.’, OSError(‘Tunnel connection failed: 407 Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. Access to the Web Proxy filter is denied. )’))’: /simple/pylint/
问题根源:因为电脑默认隐藏了文件后缀,所以在创建时没有注意到pip.conf是纯文本文稿(即全缀:pip.conf.txt)。因此在镜像源,网络没问题的情况下,只需要改格式.txt为.conf就可以解决(即全缀:pip.conf)。