Index: db/models/query.py
===================================================================
--- db/models/query.py	(revision 4556)
+++ db/models/query.py	(working copy)
@@ -324,6 +326,10 @@
     # PUBLIC METHODS THAT ALTER ATTRIBUTES AND RETURN A NEW QUERYSET #
     ##################################################################
 
+    def all(self):
+        "Returns the QuerySet again with no modifications - to conform to Manager interface."
+	return self
+
     def filter(self, *args, **kwargs):
         "Returns a new QuerySet instance with the args ANDed to the existing set."
         return self._filter_or_exclude(None, *args, **kwargs)