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

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

I think this is a bug in BasicIO. close() should be idempotent. Calling it on the closed file should have no effect.

----------
components: +IO -Tests
nosy: +serhiy.storchaka

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