July 30, 2019
8:37 a.m.
Karthikeyan Singaravelan <tir.karthi@gmail.com> added the comment: Seems related : issue23487 . kwargs is manipulated before passing to parsers_class causing the error message and also the discussion in issue23487 notes this to be a documentation issue over usage of action argument. ---------- nosy: +xtreak _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue37717> _______________________________________