def full_prepare(self, obj):
        """
        Make django_ct equal to the type of get_model, to make polymorphic
        children show up in results.
        """
        prepared_data = super(AbstractLayoutIndex, self).full_prepare(obj)
        prepared_data['django_ct'] = get_model_ct(self.get_model())
        return prepared_data
Make django_ct equal to the type of get_model, to make polymorphic
        children show up in results.