          for tag in tags:
              self.assertSequenceEqual(tag.content_object.tags.all(), [tag])
  
  
  class ProxyRelatedModelTest(TestCase):
      def test_default_behavior(self):
          """
 
</s> remove                     relobj.content_type_id
 </s> add                     getattr(relobj, content_type_id_field_name),
    def test_prefetch_related_custom_object_id(self):
        tiger = Animal.objects.create(common_name='tiger')
        cheetah = Animal.objects.create(common_name='cheetah')
        Comparison.objects.create(
            first_obj=cheetah, other_obj=tiger, comparative='faster',
        )
        Comparison.objects.create(
            first_obj=tiger, other_obj=cheetah, comparative='cooler',
        )
        qs = Comparison.objects.prefetch_related('first_obj__comparisons')
        for comparison in qs:
            self.assertSequenceEqual(comparison.first_obj.comparisons.all(), [comparison])

          for tag in tags:
              self.assertSequenceEqual(tag.content_object.tags.all(), [tag])
  
    def test_prefetch_related_custom_object_id(self):
        tiger = Animal.objects.create(common_name='tiger')
        cheetah = Animal.objects.create(common_name='cheetah')
        Comparison.objects.create(
            first_obj=cheetah, other_obj=tiger, comparative='faster',
        )
        Comparison.objects.create(
            first_obj=tiger, other_obj=cheetah, comparative='cooler',
        )
        qs = Comparison.objects.prefetch_related('first_obj__comparisons')
        for comparison in qs:
            self.assertSequenceEqual(comparison.first_obj.comparisons.all(), [comparison])

  
  class ProxyRelatedModelTest(TestCase):
      def test_default_behavior(self):
          """
keep keep add keep keep keep keep
 Fixed #31190 -- Fixed prefetch_related() crash for GenericForeignKey with custom ContentType foreign key.

Regression in dffa3e1992562ba60512d96d1eb5859ffff2ceb5. 
tests/generic_relations/tests.py