Your message dated Tue, 03 Feb 2026 07:19:35 +0000
with message-id <[email protected]>
and subject line Bug#1126290: fixed in highs 1.12.0+ds1-3
has caused the Debian Bug report #1126290,
regarding highs: FTBFS with Python 3.14
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1126290: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1126290
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: highs
Version: 1.12.0+ds1-2
Severity: important
Tags: ftbfs patch
User: [email protected]
Usertags: python3.14
Hi Maintainer
highs will FTBFS once Python 3.14 is the default version in Debian.
I've copied what I hope is the relevant part of the log below.
"'return' in a 'finally' block" should only be a SyntaxWarning for
Python 3.14, but upstream's pyproject.toml upgrades warnings to
errors.
This can be worked around as follows.
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -197,7 +197,7 @@
addopts = ["-ra", "--showlocals", "--strict-markers", "--strict-config"]
xfail_strict = true
log_cli_level = "INFO"
-filterwarnings = ["error"]
+#filterwarnings = ["error"]
testpaths = ["tests"]
[tool.cibuildwheel]
While investigating this issue, I noticed that the pytest tests are
not run for amd64. Compare for example a build log [1] for arm64 to
amd64, and search for the text 'test session starts'.
# set LD_LIBRARY_PATH to find compiled _core.so and libhighs.so
LD_LIBRARY_PATH=/tmp/highs-build/usr/lib/aarch64-linux-gnu dh_auto_test
I: pybuild base:386: cd
/build/reproducible-path/highs-1.12.0+ds1/.pybuild/cpython3_3.13_highspy/build;
python3.13 -m pytest tests
============================= test session starts ==============================
platform linux -- Python 3.13.11, pytest-9.0.2, pluggy-1.6.0
rootdir:
/build/reproducible-path/highs-1.12.0+ds1/.pybuild/cpython3_3.13_highspy/build
configfile: pyproject.toml
collected 60 items
tests/test_highspy.py .................................................. [ 83%]
.......... [100%]
============================== 60 passed in 0.37s ==============================
Regards
Graham
[1] https://buildd.debian.org/status/package.php?p=highs
____________________ ERROR collecting tests/test_highspy.py ____________________
/usr/lib/python3/dist-packages/_pytest/python.py:507: in importtestmodule
mod = import_path(
/usr/lib/python3/dist-packages/_pytest/pathlib.py:587: in import_path
importlib.import_module(module_name)
/usr/lib/python3.14/importlib/__init__.py:88: in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
<frozen importlib._bootstrap>:1398: in _gcd_import
???
<frozen importlib._bootstrap>:1371: in _find_and_load
???
<frozen importlib._bootstrap>:1342: in _find_and_load_unlocked
???
<frozen importlib._bootstrap>:938: in _load_unlocked
???
/usr/lib/python3/dist-packages/_pytest/assertion/rewrite.py:197: in exec_module
exec(co, module.__dict__)
tests/test_highspy.py:3: in <module>
import highspy
highspy/__init__.py:46: in <module>
from .highs import Highs
E File
"/<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_highspy/build/highspy/highs.py",
line 84
E return t
E ^^^^^^^^
E SyntaxError: 'return' in a 'finally' block
--- End Message ---
--- Begin Message ---
Source: highs
Source-Version: 1.12.0+ds1-3
Done: Stuart Prescott <[email protected]>
We believe that the bug you reported is fixed in the latest version of
highs, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Stuart Prescott <[email protected]> (supplier of updated highs package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Tue, 03 Feb 2026 17:54:53 +1100
Source: highs
Architecture: source
Version: 1.12.0+ds1-3
Distribution: unstable
Urgency: medium
Maintainer: Debian Science Maintainers
<[email protected]>
Changed-By: Stuart Prescott <[email protected]>
Closes: 1126290
Changes:
highs (1.12.0+ds1-3) unstable; urgency=medium
.
* Team upload.
* Fix FTBFS with Python 3.14 due to warning output, with thanks to Graham
Inggs for the patch (Closes: #1126290).
* Run Python tests on amd64.
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