Index: django/contrib/comments/views/comments.py
===================================================================
--- django/contrib/comments/views/comments.py	(revisão 7523)
+++ django/contrib/comments/views/comments.py	(cópia de trabalho)
@@ -14,6 +14,7 @@
 from django.utils.translation import ungettext, ugettext as _
 from django.utils.encoding import smart_unicode
 import base64, datetime
+from django.contrib.auth import authenticate
 
 COMMENTS_PER_PAGE = 20