I'm trying to combine 'choices' with a comma-seperated list of options, so I could do e.g.,
--cheat=a,b
parser.add_argument ('--cheat', choices=('a','b','c'), type=lambda x:
x.split(','), default=[])
test.py --cheat a
error: argument --cheat: invalid choice: ['a'] (choose from 'a', 'b', 'c')
The validation of choice is failing, because parse returns a list, not an item.
Suggestions?
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