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Date: Tue, 19 Aug 2014 13:44:31 -0500
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Subject: Re: 'is not' or '!='
From: Skip Montanaro <skip@pobox.com>
To: Ian Kelly <ian.g.kelly@gmail.com>
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On Tue, Aug 19, 2014 at 11:42 AM, Ian Kelly <ian.g.kelly@gmail.com> wrote:
> When I need to do this, I use:
>
>     SENTINEL = object()
>
> It's still a singleton, and why should a sentinel be mutable?

Old habits die hard, I guess. I've been using Python since long before
object() existed. :-)

Skip