[issue42532] spec_arg's __bool__ is called while initializing NonCallableMock

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan <tir.karthi at gmail.com> added the comment:

The fix to check for None seems straightforward to me and is only needed for AsyncMock. I would wait for others thoughts on this.

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nosy: +cjw296, lisroach, mariocj89, michael.foord, xtreak

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42532>
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