[issue17890] argparse: mutually exclusive groups full of suppressed args can cause AssertionErrors

[Terry J. Reedy]

Terry J. Reedy added the comment:

Argparse is out of my area of competence/experience. I have added a couple of people who have worked on argparse in the past and should be better able to review or suggest another reviewer.

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nosy: +bethard, r.david.murray

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue17890>
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