On 25 Jan 2013, at 19:35, Stefan Krah wrote:

> 
> Stefan Krah added the comment:
> 
> Floris van Manen <report@bugs.python.org> wrote:
>> From what i understand is that issue14591 was able to reproduce the same feature as it seems related to the jumpahead()  malfunctioning.
> 
> I'm also quite sure that it's the same issue. It would be nice to have
> confirmation though. If you have the opportunity to compile the tip of
> the 2.7 branch (where #14591 is fixed), get one of these:
> 
> http://hg.python.org/cpython/archive/864b9836dae6.tar.gz
> http://hg.python.org/cpython/archive/864b9836dae6.zip
> 

Did compile that version and it launches.
To test with my code i do not want to have it interfere with my current version.
I remember it is possible to setup n isolated environment with pip en virtualenv.
But i never did this so far.
Any hints / links to (simple) script explanation that could do the job?
Or is there an even simpler way?

.F