ImportError: attempted relative import beyond top-level package in django

Question

Trying to use this Invoice function of first app model (image below)

First App Model function

Here I am trying to use first app model Invoice function in second app (Image link below)

Second App view function

It show an Import Error (image below)

Error Image

I am trying to use one app model function in other app model function but it show an ImportError.

Answer 1

Each Django App contains an __init__.py file, registering them as a package. These "packages" can't import things from other files. To solve this, just put the view function in the same app as the model.