[issue38150] test_capi: test_c_subclass_of_heap_ctype_with_del_modifying_dunder_class_only_decrefs_once() leaks

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

> Also, I thought that the PR build bots already ran refleak tests by default? Do you know why this it's not integrated to the PR flow?

Checking for refleak takes between 2 and 6 hours. We would like to keep our pre-commit CI fast enough (less than 30 minutes).

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38150>
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