[Python-ideas] Change how Generator Expressions handle StopIteration

[Antoine Pitrou]

On Thu, 6 Nov 2014 10:54:51 -0800
Guido van Rossum <guido at python.org> wrote:
> 
> If I had had the right foresight, I would have made it an error to
> terminate a generator with a StopIteration, probably by raising another
> exception chained to the StopIteration (so the traceback shows the place
> where the StopIteration escaped).
> 
> The question at hand is if we can fix this post-hoc, using clever tricks
> and (of course) a deprecation period.

Is there any point in fixing it? Who relies on such borderline cases?

Regards

Antoine.