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Bug#1146434: ipykernel: FTBFS against python 3.15rc1

From Maximiliano Curia <maxy@debian.org>
Newsgroups linux.debian.bugs.dist, linux.debian.maint.python
Subject Bug#1146434: ipykernel: FTBFS against python 3.15rc1
Date 2026-09-01 22:00 +0200
Message-ID <NyCEx-eCh1-13@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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Package: src:ipykernel
Version: 7.2.0-2
User: debian-python@lists.debian.org
Usertags: python3.15
Tags: patch, ftbfs, forky, sid

Hi!

While rebuilding the python related packages against the Python 3.15rc1
version we found that ipykernel fails to build from source [1]. 

Warnings are configured to be treated as errors during the tests and
Python 3.15 produces a new warning when using threads and fork. I added
a patch the ignores the new warning during the tests

I applied the fix in the sandbox [2] to be able to build the packages
that depend on ipykernel, please consider applying the patch to support
the upcoming 3.15 version.

Happy hacking,

[1]: https://debusine.debian.net/debian/r-python-python3.15/artifact/4495657/
[2]: https://debusine.debian.net/debian/r-python-python3.15/

-- 
"Can you imagine what I would do if I could do all I can?" -- Sun Tzu
Saludos /\/\ /\ >< `/

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Bug#1146434: ipykernel: FTBFS against python 3.15rc1 Maximiliano Curia <maxy@debian.org> - 2026-09-01 22:00 +0200

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