[issue22266] fix reliance on refcounting in tarfile.gzopen

[Roundup Robot]

Roundup Robot added the comment:

New changeset 6f0dae921bee by Benjamin Peterson in branch '2.7':
properly handle file closing in error cases (closes #22266)
http://hg.python.org/cpython/rev/6f0dae921bee

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nosy: +python-dev
resolution:  -> fixed
stage:  -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22266>
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