pip install pytest_ordering时警告,pip版本过低
warning : youareusingpipversion 21.1.3; however,版本21.2.4 is available。
you should Consider升级
1、看pip:pipshowpip
2、pip升级: python-mpipinstall---- upgrade pip
3、如果升级pip时将value error 3360 check _ hostnamerequiresserver _ hostname报告为错误,则此错误连接到VPN或打开代理工具并关闭