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Fri Dec 15 11:55:28 EST 2017 · https://mail.python.org/pipermail/python-dev/2017-December/151290.html

On Fri, Dec 15, 2017 at 8:32 AM, Raymond Hettinger <
raymond.hettinger at gmail.com> wrote:

>
> > On Dec 15, 2017, at 7:53 AM, Guido van Rossum <guido at python.org> wrote:
> >
> > Make it so. "Dict keeps insertion order" is the ruling. Thanks!
>
> Thank you.  That is wonderful news :-)
>
> Would it be reasonable to replace some of the OrderedDict() uses in the
> standard library with dict()?  For example, have namedtuples's _asdict() go
> back to returning a plain dict as it did in its original incarnation. Also,
> it looks like argparse could save an import by using a regular dict.
>

If it's documented as OrderedDict that would be backwards incompatible,
since that has additional methods. Even if not documented it's likely to
break some code. So, I'm not sure about this (though I agree with the
sentiment that OrderedDict is much less important now).

-- 
--Guido van Rossum (python.org/~guido)
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[Python-Dev] Guarantee ordered dict literals in v3.7?