Fixed #2467 -- Improved model validator to check date_hierarchy. Thanks, Simon Greenhill

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3516 bcc190cf-cafb-0310-a4f2-bffc1f526a37

AUTHORS

@@ -71,6 +71,7 @@ answer newbie questions, and generally made Django that much better:
     gandalf@owca.info
     Baishampayan Ghose
     martin.glueck@gmail.com
+    Simon Greenhill <dev@simon.net.nz>
     Espen Grindhaug <http://grindhaug.org/>
     Brant Harris
     hipertracker@gmail.com

django/core/management.py

@@ -953,6 +953,12 @@ def get_validation_errors(outfile, app=None):
                             f = opts.get_field(fn)
                         except models.FieldDoesNotExist:
                             e.add(opts, '"admin.list_filter" refers to %r, which isn\'t a field.' % fn)
+                # date_hierarchy
+                if opts.admin.date_hierarchy:
+                    try:
+                        f = opts.get_field(opts.admin.date_hierarchy)
+                    except models.FieldDoesNotExist:
+                        e.add(opts, '"admin.date_hierarchy" refers to %r, which isn\'t a field.' % opts.admin.date_hierarchy)
 
         # Check ordering attribute.
         if opts.ordering: