[issue15271] argparse: repeatedly specifying the same argument ignores the previous ones

[Florent Xicluna]

Florent Xicluna <florent.xicluna at gmail.com> added the comment:

Confirmed.
It should probably raise an ArgumentError like this one.

http://docs.python.org/library/argparse.html#conflict-handler

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components: +Library (Lib)
nosy: +flox
stage:  -> needs patch
versions: +Python 3.3

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