[issue24313] json fails to serialise numpy.int64

[Batuhan]

Batuhan <batuhanosmantaskaya at gmail.com> added the comment:

What is the next step of this 4-year-old issue? I think i can prepare a patch for using __index__ (as suggested by @r.david.murray)

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nosy: +BTaskaya

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue24313>
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