[issue30675] test_zipfile leaks references on Python 3.5 on the wo Refleaks buildbots (Gentoo, Windows)

[STINNER Victor]

Changes by STINNER Victor <victor.stinner at gmail.com>:


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pull_requests: +2265

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30675>
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