pycharm运行python报错：NotNull method com/intellij/execution/configurations/GeneralCommandLine.getExePath must not return null

1、点击“Preferences…”，定位到“Project Interpreter”
2、只需要点击“Project Interpreter”右侧的小三角下拉框，点击show all
3、add Project Interpreter里你可以选择新建或者选择System Interpreter