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[3.9] Fix error in argparse documentation example (GH-17399) (GH-21992)

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(cherry picked from commit 8784d3300e)


Co-authored-by: SarahPythonista <4283226+SarahPythonista@users.noreply.github.com>
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Miss Islington (bot) 2020-09-04 15:26:22 -07:00 • committed by GitHub
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Doc/library/argparse.rst
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@ -1162,8 +1162,8 @@ keyword argument to :meth:`~ArgumentParser.add_argument`::
>>> parser.parse_args(['--foo', 'BAR'])
Namespace(foo='BAR')
>>> parser.parse_args([])
usage: argparse.py [-h] [--foo FOO]
argparse.py: error: option --foo is required
usage: [-h] --foo FOO
: error: the following arguments are required: --foo
As the example shows, if an option is marked as ``required``,
:meth:`~ArgumentParser.parse_args` will report an error if that option is not