为什么myqr用不了？

Question

myqr : The term 'myqr' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.

Answer 1

检查下 Python 安装目录下的 Scripts\ 目录有没有加入 Windows 环境变量，安装包会在此目录下生成对应的 包.exe 文件，而跑 Python 包命令实际上是在跑该目录下的进程。