Ticket #14423: 14423_trunk.diff

query.py

@@ -1082 +1082 @@
                             entry.negate()
                             self.where.add(entry, AND)
                             break
-                elif not (lookup_type == 'in'
+                if not (lookup_type == 'in'
                             and not hasattr(value, 'as_sql')
                             and not hasattr(value, '_as_sql')
                             and not value) and field.null: