[issue22517] BufferedRWpair doesn't clear weakrefs

[Roundup Robot]

Roundup Robot added the comment:

New changeset 4fa5239624b8 by Georg Brandl in branch '3.2':
Issue #22517: When a io.BufferedRWPair object is deallocated, clear its
https://hg.python.org/cpython/rev/4fa5239624b8

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22517>
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