Author gun146
Recipients Gabriel Devenyi, Markus.Amalthea.Magnuson, SylvainDe, Yclept.Nemo, bethard, docs@python, gun146, michal.klich, paul.j3, r.david.murray
Date 2018-07-30.10:13:05
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Message-id <1532945585.73.0.56676864532.issue16399@psf.upfronthosting.co.za>
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You don't need action='append'. 
For desired behavior you can pass action='store' with nargs='*'.
I think it's a simplest workaround.
History
Date User Action Args
2018-07-30 10:13:05gun146setrecipients: + gun146, bethard, r.david.murray, docs@python, paul.j3, Yclept.Nemo, Markus.Amalthea.Magnuson, SylvainDe, michal.klich, Gabriel Devenyi
2018-07-30 10:13:05gun146setmessageid: <1532945585.73.0.56676864532.issue16399@psf.upfronthosting.co.za>
2018-07-30 10:13:05gun146linkissue16399 messages
2018-07-30 10:13:05gun146create