Michał Górny

Test failures on Python 3.13.3 freethreaded

1

When testing the newly-added freethreading support, I'm seeing the following test failures: ```pytb $ tox -e 3.13t .pkg: _optional_hooks> python /usr/lib/python3.13/site-packages/pyproject_api/_backend.py True setuptools.build_meta __legacy__ .pkg: get_requires_for_build_sdist> python /usr/lib/python3.13/site-packages/pyproject_api/_backend.py True setuptools.build_meta...

When running the test suite on PyPy3.11 7.3.20, the following test fails: ```pytb $ python -m unittest .....F...................... ====================================================================== FAIL: test_time (test.test_uuid6.UUIDTests.test_time) ---------------------------------------------------------------------- Traceback (most recent call last): File "/tmp/uuid6-python/test/test_uuid6.py",...

Presence of `nose-of-yeti` breaks test suites using fixtures that have the same name at class and global level

4

We've been seeing weird test failures in [streamlink](https://github.com/streamlink/streamlink) package. After some debugging, I came up with the following minimal reproducer: ```python import pytest @pytest.fixture def foo(): pass class TestFoo: @pytest.fixture...

Missing `cmake/Modules/GetDarwinLinkerVersion.cmake`

1

When building on macOS, the CMake call fails because of missing files: ``` 2025-11-07T03:39:53.9155440Z │ │ CMake Error at $SRC_DIR/src/clang/CMakeLists.txt:323 (get_darwin_linker_version): 2025-11-07T03:39:53.9497850Z │ │ Unknown CMake command "get_darwin_linker_version". ``` Looks...

setuptools deprecation warnings

2

While building the wheel, setuptools outputs the following warnings: ``` /usr/lib/python3.10/site-packages/setuptools/_distutils/dist.py:289: UserWarning: Unknown distribution option: 'test_suite' warnings.warn(msg) /usr/lib/python3.10/site-packages/setuptools/dist.py:759: SetuptoolsDeprecationWarning: License classifiers are deprecated. !! ******************************************************************************** Please consider removing the following...

Use the `@pytest.mark.flaky` marker in place of the `@flaky.flaky` decorator, to modernize the code and improve compatibility with other plugins providing the feature such as `pytest-rerunfailures`.

Lots of test failures when using `-n` other than 4

4

**Describe the bug** It seems that tests are not parallel-safe and that they are passing with `-n4` only by accident. When I'm using a job count higher than 6, the...

[BUG] pkg_resources do not handle "new" escaping of .dist-info names correctly

3

### setuptools version 60.9.3 ### Python version 3.8.12 ### OS Gentoo Linux ### Additional environment information _No response_ ### Description The [wheel spec](https://packaging.python.org/en/latest/specifications/binary-distribution-format/) says: > In distribution names, any run...