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

$ go version go1.12.1 linux/amd64

Does this issue reproduce with the latest release?

Yes

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

$ go env

What did you do?

At the part 2 of the Writing Web Applications tutorial it's not in the instructions the need to import the "log" at the import step for the wiki app. Although the log is used at the

func main() {
    http.HandleFunc("/view/", viewHandler)
    log.Fatal(http.ListenAndServe(":8080", nil))
}

What did you expect to see?

import (
	"fmt"
	"io/ioutil"
	"net/http"
        "log"
)

What did you see instead?

import (
	"fmt"
	"io/ioutil"
	"net/http"
)