gh-94864: Fix PyArg_Parse* with deprecated format units "u" and "Z" (GH-94902)

It returned 1 (success) when warnings are turned into exceptions.
(cherry picked from commit 107c21c5d56682320b38c01b5575c1604a429239)

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

Miss Islington (bot) committed 3y ago

31608abf55839f5fa9cce33d530e35ea6e0ad427

Parent: 964431e

Committed by GitHub <noreply@github.com> on 7/17/2022, 5:46:43 AM