Index: django/contrib/comments/__init__.py
===================================================================
--- django/contrib/comments/__init__.py	(Revision 12996)
+++ django/contrib/comments/__init__.py	(Arbeitskopie)
@@ -1,7 +1,6 @@
 from django.conf import settings
 from django.core import urlresolvers
 from django.core.exceptions import ImproperlyConfigured
-from django.contrib.comments.models import Comment
 from django.contrib.comments.forms import CommentForm
 from django.utils.importlib import import_module
 
@@ -40,6 +39,7 @@
     if get_comment_app_name() != DEFAULT_COMMENTS_APP and hasattr(get_comment_app(), "get_model"):
         return get_comment_app().get_model()
     else:
+        from django.contrib.comments.models import Comment
         return Comment
 
 def get_form():
Index: django/contrib/comments/forms.py
===================================================================
--- django/contrib/comments/forms.py	(Revision 12996)
+++ django/contrib/comments/forms.py	(Arbeitskopie)
@@ -5,7 +5,6 @@
 from django.forms.util import ErrorDict
 from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
-from models import Comment
 from django.utils.encoding import force_unicode
 from django.utils.hashcompat import sha_constructor
 from django.utils.text import get_text_list
@@ -120,6 +119,7 @@
         comment apps should override this, get_comment_create_data, and perhaps
         check_for_duplicate_comment to provide custom comment models.
         """
+        from models import Comment
         return Comment
 
     def get_comment_create_data(self):