What is the error ImportError: attempted relative import beyond top-level package?

Question

Django

File "", line 5, in
from ..books.models import Comment
ImportError: attempted relative import beyond top-level package

There is application 1 and application 2. I am trying to import a model from application 1 into the forms.py file (application 2).
from ..app1.models import Model
I get an incomprehensible error, I can’t google anything Project
structure

Answer 1

from app1.models import Model