What version of Go are you using (go version)?

go 1.11.1

What operating system and processor architecture are you using (go env)?

linux amd64

What did you do?

I import github.com/go-ole/go-ole in my app
This lib currently has no go.mod file and import github.com/gonuts/commander in an example file https://github.com/go-ole/go-ole/blob/master/example/itunes/itunes.go

I run go mod tidy in my app

package main

import (
	"fmt"

	ole "github.com/go-ole/go-ole"
)

func main() {
	fmt.Println(ole.VT_EMPTY)

}

What did you expect to see?

module t

require github.com/go-ole/go-ole v1.2.1
require github.com/gonuts/commander v0.1.0 // indirect

What did you see instead?

module t

require github.com/go-ole/go-ole v1.2.1

No line with require github.com/gonuts/commander v0.1.0 // indirect