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Date: Tue, 10 Feb 2015 16:50:54 +0100
From: Vincent Vande Vyvre <vincent.vande.vyvre@telenet.be>
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Subject: Re: tabs and the Python3 console
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Le 10/02/2015 15:36, Laura Creighton a écrit :
> I have the debian version of python3 installed here.
>
> Python 3.4.2 (default, Nov 13 2014, 07:01:52)
> [GCC 4.9.2] on linux
> Type "help", "copyright", "credits" or "license" for more information.
> But I cannot seem to type a tab here:
>
>>>> def fn(**kw):
> ...
>
> (I type a tab here, and get a beep.  If I type a tab again I get:
>
> Display all 178 possibilities? (y or n)
> ArithmeticError(            chr(
> AssertionError(             class
> AttributeError(             classmethod(
> BaseException(              compile(
> BlockingIOError(            complex(
> BrokenPipeError(            continue
> <lots more skipped, because you get the idea>
> ...
>
> Do I need a python3 enabled with readline support, or something?
>
> Thanks very much,
> Laura Creighton
>
>

It's a recent change (3.4), use the argument -S if you want the old 
behaviour

https://docs.python.org/3/library/site.html#rlcompleter-config

Vincent