[Python-Dev] (#19562) Asserts in Python stdlib code (datetime.py)

Steven D'Aprano steve at pearwood.info
Sun Nov 17 08:08:14 CET 2013

On Sun, Nov 17, 2013 at 01:50:31AM +1000, Nick Coghlan wrote:

> No, that's the wrong question to ask. The onus is on *you* to ask "Who
> is this feature for? Do they still need it? Can we meet their needs in
> a different way?". You're the one proposing to break things, so it's
> up to you to make the case for why that's an OK thing to do.
> That's not the way this works - backwards compatibility is sacrosanct,
> and it requires some seriously compelling evidence to justify a
> breach.

Thanks for saying this.

I get frustrated by the number of times people propose removing -O 
(apparently) just because they personally don't use it. I personally 
have never got any benefit from the tarfile or multiprocessing modules, 
but I don't ask for them to be removed :-)


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