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Fix subclass protection when ContentType is stale

fix_request_path_info
Diederik van der Boor 2014-04-07 14:38:34 +02:00
parent e8d5ce6231
commit 35cdb7b697
1 changed files with 1 additions and 1 deletions
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polymorphic/polymorphic_model.py
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@ -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,
))