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Message-ID: &lt;848e1b1136e15d8b6580cc8064225b82@debian.org&gt;
From: roehling@debian.org
To: maintonly@bugs.debian.org
Subject: numcodecs: autopkgtest regression with pytest 9.1
Date: Sat, 27 Jun 2026 23:23:10 +0200
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Source: numcodecs
Version: 0.16.5+ds-6
Severity: serious
User: debian-python@lists.debian.org
Usertags: pytest9.1

Dear maintainer,

According to https://ci.debian.net data, your package numcodecs has an
autopkgtest regression with pytest.

The following architectures failed: amd64, arm64, i386, loong64,
ppc64el, riscv64, s390x.

Hopefully relevant excerpt from
https://ci.debian.net/packages/n/numcodecs/testing/amd64/72542053/
follows:

 87s ==================================== ERRORS ====================================
 87s __________________ ERROR collecting tests/test_checksum32.py ___________________
 87s E   pytest.PytestRemovedIn10Warning: Passing a non-Collection iterable to parametrize is deprecated.
 87s E   Test: tests/test_checksum32.py::test_encode_decode, argvalues type: product
 87s E   Please convert to a list or tuple.
 87s E   See https://docs.pytest.org/en/stable/deprecations.html#parametrize-iterators
 87s ERROR tests/test_checksum32.py - pytest.PytestRemovedIn10Warning: Passing a n...
 87s E: pybuild pybuild:485: test: plugin pyproject failed with: exit code=2: cd /tmp/autopkgtest-lxc.pc9kpmew/downtmp/autopkgtest_tmp/build; python3.14 -m pytest -k &quot;not test_non_numpy_inputs and not test_non_numpy_inputs and not test_native_functions and not test_crc32c_deprecation_warning&quot; -v --pyargs numcodecs --ignore=/usr/lib/python3/dist-packages/numcodecs/pcodec.py --ignore=/usr/lib/python3/dist-packages/numcodecs/zarr3.py --ignore=/usr/lib/python3/dist-packages/numcodecs/tests/test_entrypoints_backport.py --ignore=/usr/lib/python3/dist-packages/numcodecs/tests/test_zarr3.py
 89s ==================================== ERRORS ====================================
 89s __________________ ERROR collecting tests/test_checksum32.py ___________________
 89s E   pytest.PytestRemovedIn10Warning: Passing a non-Collection iterable to parametrize is deprecated.
 89s E   Test: tests/test_checksum32.py::test_encode_decode, argvalues type: product
 89s E   Please convert to a list or tuple.
 89s E   See https://docs.pytest.org/en/stable/deprecations.html#parametrize-iterators
 89s ERROR tests/test_checksum32.py - pytest.PytestRemovedIn10Warning: Passing a n...
 89s E: pybuild pybuild:485: test: plugin pyproject failed with: exit code=2: cd /tmp/autopkgtest-lxc.pc9kpmew/downtmp/autopkgtest_tmp/build; python3.13 -m pytest -k &quot;not test_non_numpy_inputs and not test_non_numpy_inputs and not test_native_functions and not test_crc32c_deprecation_warning&quot; -v --pyargs numcodecs --ignore=/usr/lib/python3/dist-packages/numcodecs/pcodec.py --ignore=/usr/lib/python3/dist-packages/numcodecs/zarr3.py --ignore=/usr/lib/python3/dist-packages/numcodecs/tests/test_entrypoints_backport.py --ignore=/usr/lib/python3/dist-packages/numcodecs/tests/test_zarr3.py
 89s pybuild-autopkgtest: error: pybuild --autopkgtest --test-pytest -i python{version} -p &quot;3.14 3.13&quot; --parallel= returned exit code 13
 89s pybuild-autopkgtest: error: /tmp/zFrzuJFkNy/run pybuild-autopkgtest returned exit code 2
 89s pybuild-autopkgtest  FAIL non-zero exit status 25
 89s pybuild-autopkgtest  FAIL non-zero exit status 25
]