None versus MISSING sentinel -- request for design feedback

[bruno.desthuilliers at gmail.com]

On Jul 15, 8:08 am, Chris Angelico <ros... at gmail.com> wrote:
>
> Agreed that float('nan') and "" and "spam" are all bad values for
> Missings. Possibly "" should come out as 0

"In the face of ambiguity, refuse the temptation to guess."

As far as I'm concerned, I'd expect this to raise a TypeError...