def METHOD_NAME(self, argv):
    self.subcommand = None
    if len(argv) >= 3 and argv[2] in self.subcommands:
        self.subcommand = argv[2]
        argv = argv[0:2] + argv[3:]
        super(SubCommand, self).METHOD_NAME(argv)
    else:
        super(SubCommand, self).METHOD_NAME(argv)