Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple WARNING: Retrying (Retry(total=4, conne
错误描述在用anacondaprompt安装python第三方包时出现错误Lookinginindexes:https://pypi.tuna.tsinghua.edu.cn/simpleWARNING:Retrying(Retry(total=4,connect=None,read=None,redirect=None,status=None))afterconnectionbrokenby‘R