Any thoughts on logging a warning, perhaps behind an opt-in flag? I could not 
find a single false positive scenario, so I expect the signal-to-noise ratio to 
be high and prevent lots of bugs.

BoppreH

On Tue, Jun 13, 2023, at 1:05 AM, Greg Ewing wrote:
> On 13/06/23 9:59 am, Rob Cliffe via Python-ideas wrote:
> > Also the OP's request was for generators, not for any iterator.
> 
> IMO it would be a bad idea to make generators behave differently
> from other iterators in this regard. And it's far too late to
> redefine the iterator protocol in general, because that would
> require changing all existing iterators and all existing code
> that relies on the current behaviour.
> 
> -- 
> Greg
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