[issue16970] argparse: bad nargs value raises misleading message

[miss-islington]

miss-islington <mariatta.wijaya+miss-islington at gmail.com> added the comment:


New changeset 1cc70322c99b80c123f9ff23a415d3da28b4ec74 by Miss Islington (bot) in branch '3.8':
bpo-16970: Adding error message for invalid args (GH-14844)
https://github.com/python/cpython/commit/1cc70322c99b80c123f9ff23a415d3da28b4ec74


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<https://bugs.python.org/issue16970>
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