[issue23099] BytesIO and StringIO values unavailable when closed

[Roundup Robot]

Roundup Robot added the comment:

New changeset e62d54128bd3 by Serhiy Storchaka in branch '3.4':
Issue #23099: Closing io.BytesIO with exported buffer is rejected now to
https://hg.python.org/cpython/rev/e62d54128bd3

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23099>
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