Your message dated Wed, 07 Oct 2026 13:50:29 +0000
with message-id <[email protected]>
and subject line Bug#1149384: fixed in pytest-mypy-plugins 4.0.3-6
has caused the Debian Bug report #1149384,
regarding pytest-mypy-plugins: FTBFS against python 3.15rc2 (tests fail but the
error is hidden)
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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--
1149384: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1149384
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: src:pytest-mypy-plugins
Version: 4.0.3-4
User: [email protected]
Usertags: python3.15
Tags: ftbfs, forky, sid
Severity: important
Hi!
While rebuilding the python related packages against the Python 3.15rc2
version we found that pytest-mypy-plugins fails to build from source:
https://debusine.debian.net/debian/r-python-python3.15/artifact/4855925/
In the log, we can see that the calls to subprocess fail, but because
the output of the call is sent to /dev/null, we don't know what caused
the failure. However, given that this seems to be looking at error
messages, it's likely that the new Python 3.15 error messages don't
match the expected ones.
=================================== FAILURES
===================================
______________________ test_no_silence_site_packages_only
______________________
tmp_path =
PosixPath('/tmp/pytest-of-sbuild/pytest-0/test_no_silence_site_packages_0')
def test_no_silence_site_packages_only(tmp_path: Path) -> None:
make_yaml_test_file(
tmp_path,
"""
- case: test_non_test_case_files_cache_files_remain
mypy_config: |
strict=true
main: |
import subpkg
a: str
a / 2
files:
- path: subpkg.py
content: |
a: str
a / 2
out: |
{site_packages_path}/mypy/typeshed/stdlib/types.pyi:722: error:
Class cannot subclass "Any" (has type "Any") [misc]
main:4: error: Unsupported operand types for / ("str" and "int")
[operator]
subpkg:2: error: Unsupported operand types for / ("str" and
"int") [operator]
""",
)
res = subprocess.run(
[
sys.executable,
"-m",
"pytest",
f"--mypy-testing-base={tmp_path}",
"--mypy-no-silence-site-packages",
],
cwd=tmp_path,
stdout=subprocess.DEVNULL,
stderr=subprocess.STDOUT,
)
assert res.returncode == pytest.ExitCode.OK
E AssertionError: assert 1 == <ExitCode.OK: 0>
E + where 1 = CompletedProcess(args=['/usr/bin/python3.15',
'-m', 'pytest',
'--mypy-testing-base=/tmp/pytest-of-sbuild/pytest-0/test_no_silence_site_packages_0',
'--mypy-no-silence-site-packages'], returncode=1).returncode
E + and <ExitCode.OK: 0> = <enum 'ExitCode'>.OK
E + where <enum 'ExitCode'> = pytest.ExitCode
pytest_mypy_plugins/tests/test_site_packages.py:117: AssertionError
_____________ test_no_silence_site_packages_and_modify_pythonpath
______________
tmp_path =
PosixPath('/tmp/pytest-of-sbuild/pytest-0/test_no_silence_site_packages_1')
def test_no_silence_site_packages_and_modify_pythonpath(tmp_path:
Path) -> None:
make_yaml_test_file(
tmp_path,
"""
- case: test_non_test_case_files_cache_files_remain
mypy_config: |
strict=true
main: |
import subpkg
a: str
a / 2
files:
- path: subpkg.py
content: |
a: str
a / 2
out: |
{site_packages_path}/mypy/typeshed/stdlib/types.pyi:722: error:
Class cannot subclass "Any" (has type "Any") [misc]
main:4: error: Unsupported operand types for / ("str" and "int")
[operator]
subpkg:2: error: Unsupported operand types for / ("str" and
"int") [operator]
""",
)
res = subprocess.run(
[
sys.executable,
"-m",
"pytest",
f"--mypy-testing-base={tmp_path}",
"--mypy-no-silence-site-packages",
"--mypy-modify-pythonpath",
],
cwd=tmp_path,
stdout=subprocess.DEVNULL,
stderr=subprocess.STDOUT,
)
assert res.returncode == pytest.ExitCode.OK
E AssertionError: assert 1 == <ExitCode.OK: 0>
E + where 1 = CompletedProcess(args=['/usr/bin/python3.15',
'-m', 'pytest',
'--mypy-testing-base=/tmp/pytest-of-sbuild/pytest-0/test_no_silence_site_packages_1',
'--mypy-no-silence-site-packages', '--mypy-modify-pythonpath'],
returncode=1).returncode
E + and <ExitCode.OK: 0> = <enum 'ExitCode'>.OK
E + where <enum 'ExitCode'> = pytest.ExitCode
pytest_mypy_plugins/tests/test_site_packages.py:156: AssertionError
Setting the severity to important for now. Once Python 3.15 is released
and later added to python3-defaults, this bug will become release
critical.
--
Regards,
Marga
--- End Message ---
--- Begin Message ---
Source: pytest-mypy-plugins
Source-Version: 4.0.3-6
Done: Michael R. Crusoe <[email protected]>
We believe that the bug you reported is fixed in the latest version of
pytest-mypy-plugins, 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 pytest-mypy-plugins
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: Wed, 07 Oct 2026 15:19:21 +0200
Source: pytest-mypy-plugins
Architecture: source
Version: 4.0.3-6
Distribution: unstable
Urgency: medium
Maintainer: Debian Python Team <[email protected]>
Changed-By: Michael R. Crusoe <[email protected]>
Closes: 1149384
Changes:
pytest-mypy-plugins (4.0.3-6) unstable; urgency=medium
.
* Team upload.
* Another new mypy version (2.4.0), another patch to adjust test line
numbers.
Also fixes FTBFS against Python 3.15. Closes: #1149384
* d/watch: upgrade to version 5 syntax
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