Index: tests/modeltests/lookup/models.py
===================================================================
--- tests/modeltests/lookup/models.py	(revision 7438)
+++ tests/modeltests/lookup/models.py	(working copy)
@@ -185,6 +185,10 @@
 ...
 TypeError: 'flat' is not valid when valueslist is called with more than one field.
 
+>>> Article.objects.extra(select={'id_plus_one': 'id+1'}).order_by('id').valueslist('id')
+[(1,), (2,), (3,), (4,), (5,), (6,), (7,)]
+
+
 # Every DateField and DateTimeField creates get_next_by_FOO() and
 # get_previous_by_FOO() methods.
 # In the case of identical date values, these methods will use the ID as a