paul j3 <ajipa...@gmail.com> added the comment:
In your example, what is 'flag'? There's no Action attribute of that name.
There is a 'dest' and a 'option_strings' list.
All the 'help' '%(...)s' does is display one of the Action object attributes,
the most common one is 'default'.
Try this:
a = parser.add_argument(...)
print(vars(a))
to see all the attributes of such an object.
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nosy: +paul.j3
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<https://bugs.python.org/issue34744>
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