+
+ def _region(self, obj):
+ return obj.region.code
+ _region.short_description = u"Région"
+ _region.admin_order_field = 'region__code'
+
+ def _nom(self, obj):
+ return obj.nom
+ _nom.short_description = u"Implantation"
+ _nom.admin_order_field = 'nom'
+