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[3.13] gh-159015: Fix test_math import on musl by agners 路 Pull Request #159016 路 python/cpython 路 GitHub
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[3.13] gh-159015: Fix test_math import on musl #159016

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[3.13] gh-159015: Fix test_math import on musl #159016

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[3.13] gh-159015: Fix test_math import on musl 
The 3.13 backport of gh-152563 compares the return value of
support.linked_to_musl() with a version tuple, but on 3.13 the helper
still returns a bool. On musl this raises TypeError at class definition
time, so test_math and test_cmath fail to import. Restore the previous
skip condition.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@agners @claude
agners and claude committed Oct 8, 2026
commit c4e26d397ceb53a4ef534711014b42435bb644e7
2 changes: 1 addition & 1 deletion Lib/test/test_math.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2743,7 +2743,7 @@ def test_fma_infinities(self):
@unittest.skipIf(
sys.platform.startswith(("freebsd", "wasi", "netbsd", "emscripten"))
or (sys.platform == "android" and platform.machine() == "x86_64")
or (support.linked_to_musl() and support.linked_to_musl() < (1, 2, 6)), # gh-131032
or support.linked_to_musl(), # gh-131032
f"this platform doesn't implement IEE 754-2008 properly")
def test_fma_zero_result(self):
nonnegative_finites = [0.0, 1e-300, 2.3, 1e300]
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Tests/2026-10-08-10-27-15.gh-issue-159015.SYk8R8.rst
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@@ -0,0 +1,3 @@
Fix :mod:`!test.test_math` failing to import on musl-based systems. The
skip condition of ``test_fma_zero_result`` compared the boolean returned by
:func:`!test.support.linked_to_musl` with a version tuple.
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