The first thing to do is to carefully specificy what the behavior should be.

2013/11/10 Nikolaus Rath <report@bugs.python.org>:
>
> Nikolaus Rath added the comment:
>
> Hi Nick,
>
> I am interested in working on this, but I have never worked on the C parts of cpython before. Do you think this is a feasible project to start with? To me it looks a bit daunting, I'd certainly need some mentoring to even know where to start with this.
>
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> <http://bugs.python.org/issue18861>
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