Method _warning

Lib/argparse.py:2893–2899

(self, message)

        self.exit(2, fmt % args)

    def _warning(self, message):
        theme = self._get_theme(file=_sys.stderr)
        fmt = _('%(prog)s: warning: %(message)s\n')
        fmt = fmt.replace('warning: %(message)s',
                        f'{theme.warning}warning:{theme.reset} {theme.message}%(message)s{theme.reset}')
        args = {'prog': self.prog, 'message': message}
        self._print_message(fmt % args, _sys.stderr)

def __getattr__(name):
    if name == "__version__":