[bug] Commands not required about argparse HOT 3 CLOSED

package main

import (
	"fmt"
	"github.com/akamensky/argparse"
	"os"
)

func main() {
	parser := argparse.NewParser("...", "...")

	_ = parser.FlagCounter("v", "verbose", &argparse.Options{})
	_ = parser.StringList("", "host", &argparse.Options{Required: true})
	_ = parser.String("u", "user", &argparse.Options{Required: true})
	_ = parser.String("p", "password", &argparse.Options{Required: true})

	// preset cmd
	presetCmd := parser.NewCommand("preset", "Get and modify radio presets")
	// get preset cmd
	_ = presetCmd.NewCommand("get", "Get the current radio preset")
	// set preset cmd
	setPresetCmd := presetCmd.NewCommand("set", "Set the current radio preset")
	_ = setPresetCmd.Int("", "id", &argparse.Options{Required: true})

	// user cmd
	userCmd := parser.NewCommand("user", "User")
	_ = userCmd.NewCommand("get", "Get all users")

	err := parser.Parse(os.Args)
	if err != nil {
		fmt.Println(parser.Usage(err))
		return
	}
}