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Sun Jun 11 03:04:38 CEST 2006 · https://mail.python.org/pipermail/python-dev/2006-June/065844.html

> > And from a syntax perspective, it's a bad idea.  x[] is much
> > more often a typo than an intentional attempt to index a
> > zero-dimensional array.
>
> but how often is it a typo?
>
> for example, judging from c.l.python traffic, forgetting to add a return
> statement is a quite common, but I haven't seen anyone arguing that we
> deprecate the implied "return None" behaviour.

Sounds like a terrific idea. The implicit None behaviour has hit me
many times and:

something = somefunc()

is almost always an error if somefunc() doesn't have an explicit
return statement. I don't know how difficult it is to get rid of the
implicit "return None" or even if it is doable, but if it is, it
should, IMHO, be done.

-- 
mvh Björn

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Allow Empty Subscript List Without Parentheses