On 20/08/18 17:16, Chris Barker via Python-ideas wrote:
On Mon, Aug 20, 2018 at 7:21 AM, Steven D'Aprano<st...@pearwood.info>
wrote:

* Introducing a warning makes it clear that this is not a de facto
   language standard, but a mere implementation detail subject to
   change if somebody comes up with a better optimization for locals.

defacto standards are sub-optimum -- the docs say "may not" -- that seems
really sketchy to me.

On the contrary, it is well defined in international standards usage. "May" and "may not" indicate that behaviour is optional, so shouldn't be relied on.

--
Rhodri James *-* Kynesim Ltd
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