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

[STINNER Victor]

Change by STINNER Victor <vstinner at redhat.com>:


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pull_requests: +13862
pull_request: https://github.com/python/cpython/pull/13999

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37223>
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