Irit Katriel <iritkatr...@gmail.com> added the comment:
Reproduced on 3.11:
>>> import argparse
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('foo', type=int, choices=range(20),
>>> metavar='range(0,20)')
_StoreAction(option_strings=[], dest='foo', nargs=None, const=None,
default=None, type=<class 'int'>, choices=range(0, 20), help=None,
metavar='range(0,20)')
>>> parser.format_usage()
'usage: [-h] range0,20\n'
----------
nosy: +iritkatriel
versions: +Python 3.10, Python 3.11, Python 3.9 -Python 3.4
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue18349>
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