In fact I found the problem, I had to make a sage kernel in jupyter kernels
I thaught it was automatically done by sage / jupyter
"display_name": "sage",
"argv": ["/home/user/sage/sage", "--python", "-m",
"sage.repl.ipython_kernel", "--matplotlib=inline", "-f",
"{connection_file}"]
}
Le mercredi 17 juillet 2019 13:35:45 UTC+2, Henri Girard a écrit :
>
> Hi,
>
> I can't no more use jupyterlab in sage -n=jupyterlab, I got this error
> message ?
>
> Cannot find template: "error.html"
>
> In "/home/pi/sage/local/share/jupyter/lab/static"
>
>
> I am on ubuntu 19.10, it used to work and suddenly stop... I installed it
> this way
>
>
> sage -sh
>
> then pip install jupyterlab --user --upgrade
>
>
> exit
>
>
> Any help ?
>
>
> Regards
>
> Henri
>
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