magic-removal: Fixed #1172, Datetime fields in admin interface shouldn't be cleared for validation errors.

Simply return the bad data.


git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@2446 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/forms/__init__.py

@@ -781,7 +781,7 @@ class DateField(TextField):
             time_tuple = time.strptime(data, '%Y-%m-%d')
             return datetime.date(*time_tuple[0:3])
         except (ValueError, TypeError):
-            return None
+            return data
     html2python = staticmethod(html2python)
 
 class TimeField(TextField):