[issue40633] json.dumps() should encode float number NaN to null

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

... but I'm an idiot, since that option is already there (allow_nan=False), and I've just checked that we are in fact using it.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40633>
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