action decorator does not honor serializer_class (potentially other kwargs too)

[yamac-kurtulus]

Hi, I have searched a bit but could not find a similar issue, but i feel like i am doing something wrong.

I am using "@action" decorator on a viewset method and try to override the serializer class, but the viewset still uses the actual serializer class. Here's my method

 @action(detail=True, methods=['POST'], url_path='upload-attachment', parser_classes=[MultiPartParser, FormParser], serializer_class=AttachmentSerializer)
    def upload_attachment(self, request, pk=None, *args, **kwargs):
        serializer = self.get_serializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        file_obj = serializer.validated_data.pop('file')
        obj = self.get_object()
        path = self._upload_to_aws(file_obj, tender)
        serializer.validated_data['obj'] = obj
        serializer.validated_data['path'] = path
        serializer.save() 

get_serializer method must return an instance of AttachmentSerializer, however the declared serializer is being returned. I did not test other kwargs, but potentially they could be not honored as well.

[yamac-kurtulus]

Oh I am silly, I did not realise I was overriding it somewhere deep down in my hierarchy tree. Sorry