Warning upon launching jupyterlab

[Kwankyu Lee]

Hi

I get the following warning. You don't?

$ ./sage -n=jupyterlab
/Users/kwankyu/GitHub/sage-dev/src/sage/repl/ipython_kernel/install.py:266: UserWarning: the kernel named sagemath does not seem to correspond to this installation of SageMath; check your Jupyter configuration (see https://docs.jupyter.org/en/latest/use/jupyter-directories.html)
  warnings.warn(f'the kernel named {ident} does not seem to correspond to this '
┌────────────────────────────────────────────────────────────────────┐
│ SageMath version 10.8.beta8, Release Date: 2025-10-27              │
│ Using Python 3.13.7. Type "help()" for help.                       │
└────────────────────────────────────────────────────────────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Warning: this is a prerelease version, and it may be unstable.     ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
Please wait while the Jupyterlab server starts...

[Eric Gourgoulhon]

Hi Kwankyu,

Le mardi 4 novembre 2025 à 08:48:58 UTC+1, Kwankyu Lee a écrit :

Hi

I get the following warning. You don't?

I get the same warning here (Sage 10.8.beta7 built from source on Ubuntu 24.04). 

FWIW, there is no such warning in Sage 10.7. 

Eric  

[Kwankyu Lee]

Thanks.

Fixed in https://github.com/sagemath/sage/pull/41132.