--- a/web/lib/django/utils/tree.py	Wed May 19 17:43:59 2010 +0200
+++ b/web/lib/django/utils/tree.py	Tue May 25 02:43:45 2010 +0200
@@ -3,7 +3,7 @@
 ORM.
 """
 
-from copy import deepcopy
+from django.utils.copycompat import deepcopy
 
 class Node(object):
     """