1.Python安装时出现Could not fetch URL https://pypi.python.org/simple/pool/: There was a problem confirming ... 报错原因:可能是ssl证书没有认证,通过信任可以解决. pip -trusted-host pypi.python.org install + 要安装的包 2.Python升级带来的yum异常:file "/usr/bin/yum", line 30 #错误代码: [root@…
Python3.x:pip install pymssql安装时出错 一.错误日志 error: Microsoft Visual C++ 14.0 is required. Get it with “Microsoft Visual C++ Build Tools”: http://landinghub.visualstudio.com/visual-cpp-build-tools 二.解决方案 1,方案一 手动下载whl文件,地址:https://www.lfd.uci.edu/~gohlk…