python安装jinja2或escape失败,ERROR: Could not find a version that satisfies the requirement
安装jinja2或escape时报错如下:Trytorunthiscommandfromthesystemterminal.Makesurethatyouusethecorrectversionof‘pip’installedforyourPythoninterpreterlocatedat‘C:\Python38\python.exe’.或ERROR:Couldnotfindaversionth