Voila Perspective error

[Armadik]

Description

i use this notebook https://github.com/finos/perspective/blob/master/examples/jupyter-notebooks/widget_tutorial.ipynb
After I start the viola. I get an error:

[Open Browser Console for more detailed log - Double click to close this message]
Failed to load model class 'PerspectiveModel' from module '@finos/perspective-jupyterlab'
Error: Script error for "@finos/perspective-jupyterlab"
http://requirejs.org/docs/errors.html#scripterror
    at makeError (https://jupyterhub/user/test/voila/static/require.min.js:1:1067)
    at HTMLScriptElement.onScriptError (https://jupyterhub/user/test/voila/static/require.min.js:1:13218)

Although the perspective-python package itself works in the standard jupiterlab interface. This can be seen in the screenshot.

Reproduce

Expected behavior

Widget works in viola

Context

perspective-python 2.2.1 pyh1a96a4e_1 conda-forge
jupyterlab 3.6.5 pyhd8ed1ab_0 conda-forge
voila 0.4.1 pyhd8ed1ab_0 conda-forge

[timkpaine]

#1128

[trungleduc]

Hi, the next release of Voila (which will be released soon™) will support JupyterLab extensions, so if the widget works in JupyterLab, I will work in Voila.

[martinRenou]

We're getting closer to the final 0.5.0. Just tested with voila=0.5.0b1 and it works nicely indeed: