Django：我可以在另一个应用程序的子文件夹中有一个应用程序吗？

I tried to put an app inside another app (Outer one is a facade into the inner one so it made sense to locate them that way), and it doesn't create a table for the model in that inner app. Is this normal? (the app is installed, and registered with the admin)I tried to put an app inside another app (Outer