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Tue Oct 21 20:22:34 CEST 2014 · https://mail.python.org/pipermail/python-dev/2014-October/136705.html

Hm. I've never been a fan of that. EIBTI and such...

On Tue, Oct 21, 2014 at 10:53 AM, Barry Warsaw <barry at python.org> wrote:

> On Oct 21, 2014, at 10:13 AM, Guido van Rossum wrote:
>
> >For new code, and whenever you have an opportunity to refactor old code,
> >you should use new-style classes, by inheriting your class from object (or
> >from another class that inherits from object).
>
> One nice way to do this module-globally is to set:
>
> __metaclass__ = type
>
> at the top of your file.  Then when you're ready to drop Python 2, it's an
> easy clean up.
>
> Cheers,
> -Barry
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-- 
--Guido van Rossum (python.org/~guido)
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[Python-Dev] isinstance() on old-style classes in Py 2.7