[issue25429] Can segfault Python with itertools.chain.from_iterable

[Zachary Ware]

Changes by Zachary Ware <zachary.ware at gmail.com>:


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assignee:  -> rhettinger
components: +Extension Modules
nosy: +rhettinger
versions: +Python 3.5, Python 3.6 -Python 3.2, Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25429>
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