[3.13] gh-124245: Fix UserWarning in test_argparse (GH-124246) (#124255)

gh-124245: Fix UserWarning in test_argparse (GH-124246)
(cherry picked from commit 992e8f6102e317b4967a762fbefea82f9fcf9dfb)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
1 file changed