group: add __unicode__.
authorRaphaël Barrois <raphael.barrois@polytechnique.org>
Sat, 2 Feb 2013 12:17:21 +0000 (13:17 +0100)
committerRaphaël Barrois <raphael.barrois@polytechnique.org>
Sat, 2 Feb 2013 12:17:23 +0000 (13:17 +0100)
Signed-off-by: Raphaël Barrois <raphael.barrois@polytechnique.org>

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