                  one_to_one = HyperlinkedRelatedField(queryset=OneToOneTargetModel.objects.all(), validators=[<UniqueValidator(queryset=RelationalModel.objects.all())>], view_name='onetoonetargetmodel-detail')
                  many_to_many = HyperlinkedRelatedField(allow_empty=False, many=True, queryset=ManyToManyTargetModel.objects.all(), view_name='manytomanytargetmodel-detail')
                  through = HyperlinkedRelatedField(many=True, read_only=True, view_name='throughtargetmodel-detail')
          """)
          self.assertEqual(unicode_repr(TestSerializer()), expected)
  
      def test_nested_hyperlinked_relations(self):
          class TestSerializer(serializers.HyperlinkedModelSerializer):
              class Meta:
                  model = RelationalModel
 
</s> remove         self.assertEqual(unicode_repr(TestSerializer()), expected)
 </s> add         self.assertEqual(repr(TestSerializer()), expected) </s> remove         self.assertEqual(unicode_repr(TestSerializer()), expected)
 </s> add         self.assertEqual(repr(TestSerializer()), expected) </s> remove         self.assertEqual(unicode_repr(TestSerializer()), expected)
 </s> add         self.assertEqual(repr(TestSerializer()), expected) </s> remove         self.assertEqual(unicode_repr(TestSerializer()), expected)
 </s> add         self.assertEqual(repr(TestSerializer()), expected) </s> remove         self.assertEqual(unicode_repr(TestSerializer()), expected)
 </s> add         self.assertEqual(repr(TestSerializer()), expected)
        self.assertEqual(repr(TestSerializer()), expected)
                  one_to_one = HyperlinkedRelatedField(queryset=OneToOneTargetModel.objects.all(), validators=[<UniqueValidator(queryset=RelationalModel.objects.all())>], view_name='onetoonetargetmodel-detail')
                  many_to_many = HyperlinkedRelatedField(allow_empty=False, many=True, queryset=ManyToManyTargetModel.objects.all(), view_name='manytomanytargetmodel-detail')
                  through = HyperlinkedRelatedField(many=True, read_only=True, view_name='throughtargetmodel-detail')
          """)
        self.assertEqual(repr(TestSerializer()), expected)
  
      def test_nested_hyperlinked_relations(self):
          class TestSerializer(serializers.HyperlinkedModelSerializer):
              class Meta:
                  model = RelationalModel
keep keep keep keep replace keep keep keep keep keep
 Dropped Python 2 compatibility. (#6615)

Thanks to Jon Dufresne (@jdufresne) for review.

Co-authored-by: Asif Saif Uddin <auvipy@gmail.com>
Co-authored-by: Rizwan Mansuri <Rizwan@webbyfox.com> 
tests/test_model_serializer.py