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

[Eric V. Smith]

Eric V. Smith <eric at trueblade.com> added the comment:

I don't think we want to generate output no matter what. Should datetime instances become null instead of raising an exception?

Are there types other than float where some values are json serializable and others aren't?

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