安装xlrd包的时候，总是报错：ERROR: Could not install packages due to an EnvironmentError: HTTPConnectionPool (ho

安装xlrd包的时候，总是报错：ERROR: Could not install packages due to an EnvironmentError: HTTPConnectionPool (host='127.0.0.1', port=8888): Max retries exceeded with url: http://pypi.douban .com/simple/ (Caused by ProxyError('Cannot connect to proxy.', NewConnectionErro r('<pip._vendor.urllib3.connection.HTTPConnection object at 0x039C3AF0>: Failed to establish a new connection: [WinError 10061] 由于目标计算机积极拒绝，无法连接 。')))

百度了一些方法，先做下下面尝试：

然鹅， 问题没解决，

尝试镜像命令安装也不行，于是百度后说是由于环境问题导致，加上了--user,解决了！

标签：127.0,8888,0.1,报错,EnvironmentError,xlrd,port
来源： https://www.cnblogs.com/heidouli/p/12938615.html