def handle(self, *args, **options):
        for username in args:
            try:
                user = User.objects.get_by_natural_key(username)
            except User.DoesNotExist:
                raise CommandError(username % 'User "%s" does not exist')

            for device in devices_for_user(user):
                device.delete()
dataset/ETHPy150Open Bouke/django-two-factor-auth/two_factor/management/commands/two_factor_disable.py/Command.handle/swapped operands of `%`