Jan-Philip Gehrcke added the comment:

The version action currently writes to stderr. The _VersionAction(Action)'s 
__call__() method finishes off with 

parser.exit(message=formatter.format_help())

and parser.exit() by default writes to stderr.

Here, Steven says "Help is definitely intended to print to stdout." and I 
expected the same to happen regarding the version information. Why should it go 
to stderr?

I see that this is a minor problem and only if someone here agrees I would open 
an issue for that.

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nosy: +jgehrcke

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue10728>
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