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To: python-list@python.org
From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject: Re: Python and Qt4 Designer
Date: Mon, 16 Jul 2012 13:07:55 -0400
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Xref: csiph.com comp.lang.python:25427

On Mon, 16 Jul 2012 07:56:19 -0600, Michael Torrie <torriem@gmail.com>
declaimed the following in gmane.comp.python.general:

> On 07/15/2012 01:58 AM, Vincent Vande Vyvre wrote:
> > Rusi is not the op, and his question is about these lines
> > 
> >     app = None
> >     if ( not app ):
> 
> Yeah that's a no-op.  The original author of that code is clearly
> confused there.
>
	I've wondered if the original sample had been much larger at one
time, and embedded in some sort of "auto-restart" loop (say, for a kiosk
application). In that situation, one would perhaps want the "app = None"
somewhere near the start to "wipe out" the previous GUI, and the "if"
was as a guard  to prevent a second start-up [if there were some other
loop also in the code].
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
        wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/