[issue37223] test_io logs Exception ignored in: <function IOBase.__del__ at 0x7f2f3c73e4b0> warnings

[STINNER Victor]

STINNER Victor <vstinner at redhat.com> added the comment:

New changeset 4f6f7c5a611905fb6b81671547f268c226bc646a by Victor Stinner in branch 'master':
bpo-18748: Fix _pyio.IOBase destructor (closed case) (GH-13952)
https://github.com/python/cpython/commit/4f6f7c5a611905fb6b81671547f268c226bc646a

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<https://bugs.python.org/issue37223>
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