Fix subclass protection when ContentType is stale

2014-04-07 14:38:34 +02:00
parent e8d5ce6231
commit 35cdb7b697
1 changed files with 1 additions and 1 deletions
@@ -110,7 +110,7 @@ class PolymorphicModel(six.with_metaclass(PolymorphicModelBase, models.Model)):

        # Protect against bad imports (dumpdata without --natural) or other
        # issues missing with the ContentType models.
-        if not issubclass(model, self.__class__):
+        if model is not None and not issubclass(model, self.__class__):
            raise RuntimeError("ContentType {0} for {1} #{2} does not point to a subclass!".format(
                self.polymorphic_ctype_id, model, self.pk,
            ))