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[3.15] gh-150374: Fix double release of import lock in lazy import reification (GH-150376) (#150378)

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gh-150374: Fix double release of import lock in lazy import reification (GH-150376)
(cherry picked from commit 5498eba545)

Co-authored-by: pengyu lee <lipengyu@kylinos.cn>
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Miss Islington (bot) 2026-05-25 11:36:22 +02:00 • committed by GitHub
parent 03244b9f04
commit acd402ecdb
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Misc/NEWS.d/next/Core_and_Builtins/2026-05-25-16-00-22.gh-issue-150374.Emu6d8.rst Normal file
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@ -0,0 +1 @@
Fix double release of the import lock on lazy import reification errors.

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Python/import.c
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@ -3934,7 +3934,6 @@ _PyImport_LoadLazyImportTstate(PyThreadState *tstate, PyObject *lazy_import)
return NULL;
}
else if (PySet_Add(importing, lazy_import) < 0) {
_PyImport_ReleaseLock(interp);
goto error;
}