diff --git a/datastore/datastore.go b/datastore/datastore.go
index fbe7c077b5..11cf13261f 100644
--- a/datastore/datastore.go
+++ b/datastore/datastore.go
@@ -3,8 +3,11 @@ package datastore
 import (
 	"time"
 
-	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/client-go/informers"
+	"k8s.io/client-go/tools/cache"
+
+	apiextensionsclientset "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	clientset "k8s.io/client-go/kubernetes"
 	appslisters "k8s.io/client-go/listers/apps/v1"
 	batchlisters_v1 "k8s.io/client-go/listers/batch/v1"
@@ -12,12 +15,10 @@ import (
 	policylisters "k8s.io/client-go/listers/policy/v1"
 	schedulinglisters "k8s.io/client-go/listers/scheduling/v1"
 	storagelisters_v1 "k8s.io/client-go/listers/storage/v1"
-	"k8s.io/client-go/tools/cache"
 
 	lhclientset "github.com/longhorn/longhorn-manager/k8s/pkg/client/clientset/versioned"
 	lhinformers "github.com/longhorn/longhorn-manager/k8s/pkg/client/informers/externalversions"
 	lhlisters "github.com/longhorn/longhorn-manager/k8s/pkg/client/listers/longhorn/v1beta2"
-	apiextensionsclientset "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
 )
 
 var (
diff --git a/datastore/kubernetes.go b/datastore/kubernetes.go
index e58f904b9f..24853327be 100644
--- a/datastore/kubernetes.go
+++ b/datastore/kubernetes.go
@@ -11,6 +11,11 @@ import (
 
 	"github.com/sirupsen/logrus"
 
+	"k8s.io/apimachinery/pkg/api/resource"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/version"
+	"k8s.io/client-go/rest"
+
 	appsv1 "k8s.io/api/apps/v1"
 	batchv1 "k8s.io/api/batch/v1"
 	corev1 "k8s.io/api/core/v1"
@@ -20,11 +25,7 @@ import (
 	schedulingv1 "k8s.io/api/scheduling/v1"
 	storagev1 "k8s.io/api/storage/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
-	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/labels"
-	"k8s.io/apimachinery/pkg/version"
-	"k8s.io/client-go/rest"
 
 	"github.com/longhorn/longhorn-manager/types"
 
diff --git a/datastore/longhorn.go b/datastore/longhorn.go
index cac26544ed..9f50b6fcd1 100644
--- a/datastore/longhorn.go
+++ b/datastore/longhorn.go
@@ -12,18 +12,20 @@ import (
 	"github.com/robfig/cron"
 	"github.com/sirupsen/logrus"
 
-	corev1 "k8s.io/api/core/v1"
-	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/api/meta"
 	"k8s.io/apimachinery/pkg/api/resource"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/validation"
 
-	longhorn "github.com/longhorn/longhorn-manager/k8s/pkg/apis/longhorn/v1beta2"
+	corev1 "k8s.io/api/core/v1"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
 	"github.com/longhorn/longhorn-manager/types"
 	"github.com/longhorn/longhorn-manager/util"
+
+	longhorn "github.com/longhorn/longhorn-manager/k8s/pkg/apis/longhorn/v1beta2"
 )
 
 const (
diff --git a/datastore/uncached.go b/datastore/uncached.go
index cc038931e7..2ecd8b9629 100644
--- a/datastore/uncached.go
+++ b/datastore/uncached.go
@@ -3,15 +3,17 @@ package datastore
 import (
 	"context"
 
+	"k8s.io/apimachinery/pkg/runtime"
+
 	corev1 "k8s.io/api/core/v1"
 	storagev1 "k8s.io/api/storage/v1"
 	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/runtime"
 
-	longhornapis "github.com/longhorn/longhorn-manager/k8s/pkg/apis/longhorn"
 	"github.com/longhorn/longhorn-manager/types"
 	"github.com/longhorn/longhorn-manager/util"
+
+	longhornapis "github.com/longhorn/longhorn-manager/k8s/pkg/apis/longhorn"
 )
 
 // GetLonghornEventList returns an uncached list of longhorn events for the