damel_lp

https://lib.rs/crates/proto-builder-trait This seems to do the job? Maybe it could be upstreamed?

Could we do this by adding an alternative utility function sth like: ```rust pub fn resizeable_new_with(py: Python

what venv are you running your kernel gateway in? _note_: when you use the docker images it may not have all the dependencies that you may have installed locally

What version of ipywidgets did you use to construct the notebook?

I reckon that's your issue (this was the issue when I had a similar problem). If you have a look at the README this project currently only supports ipywidgets 5.2.x....

I have a similar usecase (downstream lib is sync and I call it in an async context with an executor) I made it work by prefixing the negotiate check i.e....