[issue45673] argparse error with option with optional value

[paul j3]

paul j3 <ajipanca at gmail.com> added the comment:

Put the required positional first

$ myapp myfile -s

or one of the store_true arguments

$ myapp -s -j myfile

I think

$ myapp -s -- myfile

will work as well, but that needs to be tested.  

The '-s' has to be followed by something won't be confused for an argument, such as nothing, or a flag.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45673>
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