[issue21213] Memory bomb by incorrect custom serializer to json.dumps

[Ezio Melotti]

Changes by Ezio Melotti <ezio.melotti at gmail.com>:


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nosy: +ezio.melotti, pitrou, rhettinger
type:  -> behavior
versions: +Python 3.4, Python 3.5 -Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21213>
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