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Date: Wed, 12 Feb 2014 01:22:29 +1100
Subject: Re: pip3.x error using LIST instead of list
From: Chris Angelico <rosuav@gmail.com>
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On Wed, Feb 12, 2014 at 1:10 AM, Mark Lawrence <breamoreboy@yahoo.co.uk> wrote:
>   File "C:\Python34\lib\site-packages\pip\__init__.py", line 156, in
> parseopts
>     cmd_args.remove(args_else[0].lower())
> ValueError: list.remove(x): x not in list
>
> Is this a known problem, should I raise a bug against pip, what is the best
> course of action?

Hmm, yep. I'd confirm that as a bug. Inspection of the surrounding
code suggests that it shouldn't be lowercasing there (a couple of
lines above, it fetches out args_else[0].lower(), but to remove it
from cmd_args, it should use original case). Search the tracker for
it, to see if it already exists; if not, create it. You have the file
name and line number, so you could probably even make a patch :)

ChrisA