[Python-Dev] problem with recursive "yield from" delegation

[Antoine Pitrou]

On Thu, 8 Mar 2012 14:36:06 -0600
Benjamin Peterson <benjamin at python.org> wrote:
> 2012/3/8 Stefan Behnel <stefan_ml at behnel.de>:
> > Would that be acceptable for CPython as well or would you prefer full
> > fledged normalisation?
> 
> I think we have to normalize for correctness. Consider that it may be
> some StopIteration subclass which set "value" on construction.

Perhaps it would be time to drop the whole delayed normalization thing,
provided the benchmarks don't exhibit a slowdown? It complicates a lot
of code paths.

cheers

Antoine.