format code for CI

plugins/inputs/graylog/graylog.go

@@ -1,18 +1,18 @@
 package graylog
 
 import (
+	"bytes"
+	"encoding/json"
 	"errors"
 	"fmt"
-	"strconv"
-	"bytes"
-	"regexp"
 	"io/ioutil"
 	"net/http"
 	"net/url"
+	"regexp"
+	"strconv"
 	"strings"
 	"sync"
 	"time"
-	"encoding/json"
 
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/internal"
@@ -222,7 +222,7 @@ func (h *GrayLog) gatherServer(
 		for k, v := range metric.Fields() {
 			re, _ := regexp.Compile(`metrics_([0-9]+)`)
 			match := re.FindAllStringSubmatch(k, -1)
-			if(match != nil) {
+			if match != nil {
 				i, _ := strconv.Atoi(match[0][1])
 				fields[name_list[i]] = v
 			}

plugins/inputs/graylog/graylog_test.go

@@ -36,7 +36,6 @@ const validJSON = `
     ]
   }`
 
-
 var expectedFields = map[string]interface{}{
 	"jvm.memory.pools.Metaspace.committed": float64(108040192),
 	"jvm.cl.loaded":                        float64(18910),
@@ -152,7 +151,6 @@ func TestNormalResponse(t *testing.T) {
 	}
 }
 
-
 // Test response to HTTP 500
 func TestHttpJson500(t *testing.T) {
 	graylog := genMockGrayLog(validJSON, 500)