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Date: Sun, 25 Dec 2011 20:27:24 -0800
From: Ethan Furman <ethan@stoneleaf.us>
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Subject: Re: Test None for an object that does not implement ==
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:17947

GZ wrote:
> Hi,
> 
> I run into a weird problem. I have a piece of code that looks like the
> following:
> 
> f(...., a=None, c=None):
>     assert  (a==None)==(c==None)


Um -- if you don't want a and c being passed in, why put them in the 
function signature?

~Ethan~