fix linter

Author: PetrSladek

pkg/services/grafana.go

@@ -36,7 +36,7 @@ func (n *GrafanaNotification) GetTemplater(name string, f texttemplate.FuncMap)
 			return err
 		}
 		notification.Grafana.Tags = grafanaTagsData.String()
-	
+
 		return nil
 	}, nil
 }
@@ -67,16 +67,16 @@ func (s *grafanaService) Send(notification Notification, dest Destination) error
     tags := strings.Split(dest.Recipient, "|")
 
 	// append tags from notification grafana.tags field .. 
-    if notification.Grafana != nil && notification.Grafana.Tags != "" {
+	if notification.Grafana != nil && notification.Grafana.Tags != "" {
 		notificationTags := strings.Split(notification.Grafana.Tags, "|")
-        tags = append(tags, notificationTags...)
-    }
+		tags = append(tags, notificationTags...)
+	}
 
 	// append global tags from opts
 	 if s.opts.Tags != "" {
 		optsTags := strings.Split(s.opts.Tags, "|")
-        tags = append(tags, optsTags...)
-    }
+		tags = append(tags, optsTags...)
+	}
 
 	ga := GrafanaAnnotation{
 		Time:     time.Now().Unix() * 1000, // unix ts in ms