[issue18820] json.dump() ignores its 'default' option when serializing dictionary keys

[Irit Katriel]

Irit Katriel <iritkatriel at gmail.com> added the comment:

Reproduced on 3.11.

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nosy: +iritkatriel
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.5, Python 3.6

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue18820>
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