magic-removal: Fixed #1361 -- Fixed old-style DB API usage in db/mode…

…ls/manipulators.py. Thanks, Ian Holsman

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@2318 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/manipulators.py

@@ -318,7 +318,7 @@ def manipulator_validator_unique_for_date(from_field, date_field, opts, lookup_t
     if lookup_type == 'date':
         lookup_kwargs['%s__day' % date_field.name] = date_val.day
     try:
-        old_obj = self.manager.get_object(**lookup_kwargs)
+        old_obj = self.manager.get(**lookup_kwargs)
     except ObjectDoesNotExist:
         return
     else: