                  kwargs['help_text'] = help_text
  
          return PrimaryKeyRelatedField(**kwargs)
  
      def get_field(self, model_field):
          """
          Creates a default instance of a basic non-relational field.
          """
          serializer_cls = lookup_class(self.field_mapping, model_field)
          kwargs = {}
 
</s> remove         return self.get_field(model_field)
 </s> add         return self.get_field(field_name, model_field) </s> remove     def get_related_field(self, model_field, related_model, to_many, has_through_model):
 </s> add     def get_related_field(self, field_name, model_field, related_model, to_many, has_through_model): </s> remove         class NestedModelSerializer(ModelSerializer):  # Not right!
 </s> add         class NestedModelSerializer(ModelSerializer): </s> remove     def get_pk_field(self, model_field):
 </s> add     def get_pk_field(self, field_name, model_field): </s> remove     def get_nested_field(self, model_field, related_model, to_many, has_through_model):
 </s> add     def get_nested_field(self, field_name, model_field, related_model, to_many, has_through_model):
    def get_field(self, field_name, model_field):
                  kwargs['help_text'] = help_text
  
          return PrimaryKeyRelatedField(**kwargs)
  
    def get_field(self, field_name, model_field):
          """
          Creates a default instance of a basic non-relational field.
          """
          serializer_cls = lookup_class(self.field_mapping, model_field)
          kwargs = {}
keep keep keep keep replace keep keep keep keep keep
 Drop label from serializer fields when not needed 
rest_framework/serializers.py