Move from deprecated ioutil to os and io packages (#4364)

1 files changed, 1 insertions, 2 deletions

diff --git a/admin.go b/admin.go
index fb45168..684526d 100644
--- a/admin.go
+++ b/admin.go
@@ -26,7 +26,6 @@ import (
 	"expvar"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net"
 	"net/http"
 	"net/http/pprof"
@@ -1202,7 +1201,7 @@ var (
 // will get deleted before the process gracefully exits.
 func PIDFile(filename string) error {
 	pid := []byte(strconv.Itoa(os.Getpid()) + "\n")
-	err := ioutil.WriteFile(filename, pid, 0600)
+	err := os.WriteFile(filename, pid, 0600)
 	if err != nil {
 		return err
 	}