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From: Peter Otten <__peter__@web.de>
Subject: Re: How to avoid PEP8 'imported but unused'
Date: Sun, 05 May 2013 18:38:46 +0200
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Xref: csiph.com comp.lang.python:44753

Adam Jiang wrote:

> I am new to python. Now, I am woring on an application within Django
> framework. When I checked my code with pep8 and pyflakes, some warning
> messages show up-'Foobar imported but unused'. Obviously, it indicates
> that some modules are imprted to current module but never get
> references. However, it seems the message is wrong in this case:
> 
> # file: urls.py
> urlpattens = patterns(
>     '',
>     url('^signup/$', 'signup')
> }
> 
> # file: register.py
> def signup(request):
>     return ...
> 
> # file: views.py
> import signup from register
> 
> The warning message is shown in file views.py. It seems to me that the
> code is okay because Django requires all functions serve as 'view' is
> typically go into views.py. 'import' is about get 'signup' function
> into module 'views.py'. Or, I am totally wrong? Is there a proper way
> to avoid this warnning?

pylint has a way to suppress such warnings with a comment like

from signup import register # pylint:disable=W0611

but personally I find the magic comment more annoying than the false 
warning...