Myst renderer fails with nbdev.showdoc

[michaelaye]

Description

After installing jupyterlab-myst and restarting the jupyterlab server, the display of the show_doc command of the nbdev library does not work anymore.
It simply says, with a red bar as background: "Myst renderer!"

All libraries and packages up-to-date. (JLab 4.0.6, jupyterlab-myst 2.0.2)

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[agoose77]

I didn't get any pings for this (or I didn't see them!). Let me add this to my todo.

[agoose77]

Would you be able to come up with a reproducer notebook :)