New Python 3.0 string formatting - really necessary?

[Michael Torrie]

walterbyrd wrote:
> On Dec 19, 9:13 am, "Giampaolo Rodola'" <gne... at gmail.com> wrote:
>> You can use the old 2.x syntax also in Python 3.x:
> 
> Yeah, but it's deprecated, and - as I understand it - may be removed
> completely in future versions. Also, in the future, if you are working
> with code from another developer, it's likely that developer will use
> the new format. I suppose you can use both - but what an awful mess
> that would be.
> 
> It seems to me that 3.0 is changing a lot of non-problems. And it's
> going to be slower to boot.

How is this?  With projects like PyPy eventually enabling the JIT'ing of
python3 code, I don't see how this is going to be "slower."  If anything
we have a python that can be made to run faster than ever before.

Please qualify your remarks.  Are you a Python core developer?