diff --git a/django/db/models/__init__.py b/django/db/models/__init__.py
index 043e9ada53..d708fa60bc 100644
--- a/django/db/models/__init__.py
+++ b/django/db/models/__init__.py
@@ -7,7 +7,7 @@ from django.db.models.query import Q
 from django.db.models.manager import Manager
 from django.db.models.base import Model, AdminOptions
 from django.db.models.fields import *
-from django.db.models.fields.related import ForeignKey, OneToOneField, ManyToManyField, ManyToOneRel, ManyToManyRel, OneToOneRel
+from django.db.models.fields.related import ForeignKey, OneToOneField, ManyToManyField, ManyToOneRel, ManyToManyRel, OneToOneRel, TABULAR, STACKED
 from django.db.models import signals
 from django.utils.functional import curry
 from django.utils.text import capfirst