  #         self.assertRaises(serializers.ValidationError, field.to_primative, [])
  
  #     def test_slug_related_field_with_empty_string(self):
  #         field = serializers.SlugRelatedField(queryset=NullModel.objects.all(), slug_field='pk')
  #         self.assertRaises(serializers.ValidationError, field.to_primative, '')
  #         self.assertRaises(serializers.ValidationError, field.to_primative, [])
  
  
  # class TestManyRelatedMixin(TestCase):
  #     def test_missing_many_to_many_related_field(self):
  #         '''
 
</s> remove #         self.assertRaises(serializers.ValidationError, field.to_primative, '')
#         self.assertRaises(serializers.ValidationError, field.to_primative, [])
 </s> add #         self.assertRaises(serializers.ValidationError, field.to_primitive, '')
#         self.assertRaises(serializers.ValidationError, field.to_primitive, []) </s> remove #         self.assertRaises(serializers.ValidationError, field.to_primative, '')
#         self.assertRaises(serializers.ValidationError, field.to_primative, [])
 </s> add #         self.assertRaises(serializers.ValidationError, field.to_primitive, '')
#         self.assertRaises(serializers.ValidationError, field.to_primitive, []) </s> remove         # consider it, or treat PIL as a test dependancy.
 </s> add         # consider it, or treat PIL as a test dependency. </s> remove     # Allow dependancy injection of other settings to make testing easier.
 </s> add     # Allow dependency injection of other settings to make testing easier. </s> remove         # We include these simply for dependancy injection in tests.
 </s> add         # We include these simply for dependency injection in tests.
#         self.assertRaises(serializers.ValidationError, field.to_primitive, '')
#         self.assertRaises(serializers.ValidationError, field.to_primitive, [])
  #         self.assertRaises(serializers.ValidationError, field.to_primative, [])
  
  #     def test_slug_related_field_with_empty_string(self):
  #         field = serializers.SlugRelatedField(queryset=NullModel.objects.all(), slug_field='pk')
#         self.assertRaises(serializers.ValidationError, field.to_primitive, '')
#         self.assertRaises(serializers.ValidationError, field.to_primitive, [])
#         self.assertRaises(serializers.ValidationError, field.to_primitive, '')
#         self.assertRaises(serializers.ValidationError, field.to_primitive, [])
  
  
  # class TestManyRelatedMixin(TestCase):
  #     def test_missing_many_to_many_related_field(self):
  #         '''
keep keep keep keep replace replace keep keep keep keep keep
 Minor: fix spelling and grammar, mostly in 3.0 announcement 
tests/test_relations.py