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Wed Mar 16 04:12:52 CET 2011 · https://mail.python.org/pipermail/python-dev/2011-March/109355.html

On 3/15/2011 10:58 PM, Lennart Regebro wrote:
> On Tue, Mar 15, 2011 at 22:42, Guido van Rossum<guido at python.org>  wrote:
>> Fortunately there may not be any more such cases since no new major
>> versions of Python 2 will be released. So I'm not sure what an update
>> of PEP 5 will buy us.
>
> That is a good point. But at least making sure no more API's get
> deprecated in 3.3 (and preferably 3.4) would go a long way, as we are
> likely to still have to support Python 2 in parallell for those
> versions as well.

I think it's valid that we should consider the affect of libraries that 
are trying to support 2.x and 3.y  (for some values of x and y) at the 
same time. Speaking for myself, I'll admit I hadn't thought of this 
during any discussions of changing APIs. We'll only have to consider 
this for at most 2 more 3.x releases, if we believe the 5 year timeframe 
(since 3.0) for most projects to migrate.

But I agree that there's not much we can do in the capsule case. The 
ship has sailed on that one.

Eric.

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