Fixed #11753 - Q objects with callables no longer explode on Python 2.4. Thanks, Jeremy Dunck.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11901 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/query_utils.py

@@ -7,16 +7,11 @@ circular import difficulties.
 """
 
 import weakref
-from copy import deepcopy
+from django.utils.copycompat import deepcopy
 
 from django.utils import tree
 from django.utils.datastructures import SortedDict
 
-try:
-    sorted
-except NameError:
-    from django.utils.itercompat import sorted  # For Python 2.3.
-
 
 class CyclicDependency(Exception):
     """