Irit Katriel <iritkatr...@yahoo.com> added the comment:
This is fixed now:
Python 3.10.0a2+ (heads/bpo-42184:f3cb814315, Nov 7 2020, 00:31:51) [MSC
v.1916 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import argparse
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('foo', nargs='1')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\User\src\cpython\lib\argparse.py", line 1430, in add_argument
self._get_formatter()._format_args(action, None)
File "C:\Users\User\src\cpython\lib\argparse.py", line 611, in _format_args
raise ValueError("invalid nargs value") from None
ValueError: invalid nargs value
----------
nosy: +iritkatriel
resolution: -> fixed
stage: needs patch -> resolved
status: open -> closed
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue9849>
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