[Python-ideas] Why does += trigger UnboundLocalError?

[Nick Coghlan]

On Wed, Jun 1, 2011 at 2:52 PM, Carl M. Johnson
<cmjohnson.mailinglist at gmail.com> wrote:
> We all know that the following code won't work because of UnboundLocalError
> and that to get around it, one needs to use nonlocal:

There's no fundamental reason this couldn't change, but actually
changing it simply isn't worth the hassle, so the status quo wins the
stalemate.

I elaborated further on this point when the topic came up last year:
http://mail.python.org/pipermail/python-ideas/2010-June/007448.html

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia