[issue36918] ValueError warning in test_urllib due to io.IOBase destructor

[Karthikeyan Singaravelan]

Change by Karthikeyan Singaravelan <tir.karthi at gmail.com>:


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keywords: +patch
pull_requests: +13236
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36918>
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