Your message dated Tue, 13 Oct 2026 07:50:19 +0000
with message-id <[email protected]>
and subject line Bug#1150524: fixed in mypy 2.4.0-2
has caused the Debian Bug report #1150524,
regarding black: FTBFS: E AttributeError: attribute 'append_comments' of
'delimiter_split_env' undefined
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.
(NB: If you are a system administrator and have no idea what this
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--
1150524: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1150524
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: src:black
Version: 26.10.0-1
Severity: serious
Tags: ftbfs forky sid
Dear maintainer:
During a rebuild of all packages in unstable, this package failed to build.
Below you will find the last part of the build log (probably the most
relevant part, but not necessarily). If required, the full build log
is available here:
https://people.debian.org/~sanvila/build-logs/202610/
About the archive rebuild: The build was made on virtual machines from AWS,
using sbuild and a reduced chroot with only build-essential packages.
If you cannot reproduce the bug please contact me privately, as I
am willing to provide ssh access to a virtual machine where the bug is
fully reproducible.
If this is really a bug in one of the build-depends, please use
reassign and add an affects on src:black, so that this is still
visible in the BTS web page for this package.
Thanks.
--------------------------------------------------------------------------------
[...]
src/black/linegen.py:1670: in delimiter_split
yield from append_comments(leaf)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> def append_comments(leaf: Leaf) -> Iterator[Line]:
E AttributeError: attribute 'append_comments' of 'delimiter_split_env'
undefined
src/black/linegen.py:1655: AttributeError
=========================== short test summary info ============================
FAILED tests/test_black.py::BlackTestCase::test_check_diff_use_together - Ass...
FAILED tests/test_black.py::BlackTestCase::test_expression_diff - AssertionEr...
FAILED tests/test_black.py::BlackTestCase::test_expression_diff_with_color - ...
FAILED tests/test_black.py::BlackTestCase::test_expression_ff - AttributeErro...
FAILED tests/test_black.py::BlackTestCase::test_multi_file_force_py36 - Asser...
FAILED tests/test_black.py::BlackTestCase::test_pipe_force_py36 - AssertionEr...
FAILED tests/test_black.py::BlackTestCase::test_piping - AssertionError: 123 ...
FAILED tests/test_black.py::BlackTestCase::test_piping_diff - AssertionError:...
FAILED tests/test_black.py::BlackTestCase::test_piping_diff_with_color - Asse...
FAILED tests/test_black.py::BlackTestCase::test_python315 - AttributeError: a...
FAILED tests/test_black.py::BlackTestCase::test_python37 - AttributeError: at...
FAILED tests/test_black.py::BlackTestCase::test_root_logger_not_used_directly
FAILED tests/test_black.py::BlackTestCase::test_single_file_force_py36 - Asse...
FAILED tests/test_black.py::BlackTestCase::test_skip_magic_trailing_comma - A...
FAILED tests/test_format.py::test_line_ranges_line_by_line[basic] - Attribute...
FAILED tests/test_format.py::test_line_ranges_line_by_line[pattern_matching]
========== 16 failed, 197 passed, 37 skipped, 270 deselected in 2.68s ==========
E: pybuild pybuild:485: test: plugin pyproject failed with: exit code=1: cd
/<<PKGBUILDDIR>>/.pybuild/cpython3_3.14/build; python3.14 -m pytest
--run-optional no_jupyter,no_blackd -k "not (incompatible_with_mypyc or
test_simple_format)"
dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p 3.14
--parallel=1 returned exit code 13
make: *** [debian/rules:15: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess failed with exit
status 2
--------------------------------------------------------------------------------
--- End Message ---
--- Begin Message ---
Source: mypy
Source-Version: 2.4.0-2
Done: Michael R. Crusoe <[email protected]>
We believe that the bug you reported is fixed in the latest version of
mypy, 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.
Michael R. Crusoe <[email protected]> (supplier of updated mypy 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, 13 Oct 2026 08:47:55 +0200
Source: mypy
Architecture: source
Version: 2.4.0-2
Distribution: unstable
Urgency: medium
Maintainer: Debian Python Team <[email protected]>
Changed-By: Michael R. Crusoe <[email protected]>
Closes: 1150524
Changes:
mypy (2.4.0-2) unstable; urgency=medium
.
* Cherry-pick patch from upstream to fix FTBFS of black using mypy
2.4.0. Closes: #1150524
* d/rules: re-enable 2 more tests
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