django/tests/migrations/migrations_test_apps/lookuperror_a/models.py

from django.db import models


class A1(models.Model):
    pass


class A2(models.Model):
    pass


class A3(models.Model):
    b2 = models.ForeignKey('lookuperror_b.B2')
    c2 = models.ForeignKey('lookuperror_c.C2')


class A4(models.Model):
    pass