Your message dated Sun, 12 Oct 2025 11:51:48 +0000
with message-id <[email protected]>
and subject line Bug#1117907: fixed in python-lz4 4.4.4+dfsg-3
has caused the Debian Bug report #1117907,
regarding python-lz4 FTBFS with Python 3.14: ImportError: cannot import name
'_compression' from partially initialized module 'lz4.frame'
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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--
1117907: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1117907
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: python-lz4
Version: 4.4.4+dfsg-2
Severity: normal
Tags: ftbfs upstream
User: [email protected]
Usertags: python3.14
Forwarded: https://github.com/python-lz4/python-lz4/pull/303
Python 3.14 is upon us, and we would like to enable it as a supported version
in Debian.
This package fails to build with Python 3.14 as an available version. Graham
Inggs did a test rebuild in Ubuntu and found this build failure. These can be
reproduced in Debian by installing python3-all from experimental (but you may
need to rebuild some dependencies by hand, first).
This looks like it was caused by Python reorganizing modules. Upstream
has a PR to fix it: https://github.com/python-lz4/python-lz4/pull/303
Build log:
https://launchpadlibrarian.net/820395127/buildlog_ubuntu-questing-amd64.python-lz4_4.4.0+dfsg-2build1_BUILDING.txt.gz
Error:
lz4.frame (unittest.loader._FailedTest.lz4.frame) ... ERROR
======================================================================
ERROR: lz4.frame (unittest.loader._FailedTest.lz4.frame)
----------------------------------------------------------------------
ImportError: Failed to import test module: lz4.frame
Traceback (most recent call last):
File
"/<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_lz4/build/lz4/frame/__init__.py", line
28, in <module>
import _compression # Python 3.6 and later
^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named '_compression'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3.14/unittest/loader.py", line 460, in _find_test_path
package = self._get_module_from_name(name)
File "/usr/lib/python3.14/unittest/loader.py", line 367, in
_get_module_from_name
__import__(name)
~~~~~~~~~~^^^^^^
File
"/<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_lz4/build/lz4/frame/__init__.py", line
30, in <module>
from . import _compression
ImportError: cannot import name '_compression' from partially initialized
module 'lz4.frame' (most likely due to a circular import)
(/<<PKGBUILDDIR>>/.pybuild/cpython3_3.14_lz4/build/lz4/frame/__init__.py)
--- End Message ---
--- Begin Message ---
Source: python-lz4
Source-Version: 4.4.4+dfsg-3
Done: Colin Watson <[email protected]>
We believe that the bug you reported is fixed in the latest version of
python-lz4, 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.
Colin Watson <[email protected]> (supplier of updated python-lz4 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: Sun, 12 Oct 2025 12:34:10 +0100
Source: python-lz4
Architecture: source
Version: 4.4.4+dfsg-3
Distribution: unstable
Urgency: medium
Maintainer: Debian Python Team <[email protected]>
Changed-By: Colin Watson <[email protected]>
Closes: 1117907
Changes:
python-lz4 (4.4.4+dfsg-3) unstable; urgency=medium
.
* Team upload.
* Reupload due to operator error in driving "git debpush".
.
python-lz4 (4.4.4+dfsg-2) unstable; urgency=medium
.
* Team upload.
* Correct the import of _compression for Python 3.14 (closes: #1117907).
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