fix imports

Signed-off-by: Seva Kaloshin <[email protected]>

Author: arzonus

service/sharddistributor/store/etcd/executorstore/shardcache/namespaceshardcache.go

@@ -6,13 +6,14 @@ import (
 	"strings"
 	"sync"
 
+	clientv3 "go.etcd.io/etcd/client/v3"
+
 	"github.com/uber/cadence/common/log"
 	"github.com/uber/cadence/common/log/tag"
 	"github.com/uber/cadence/service/sharddistributor/store"
 	"github.com/uber/cadence/service/sharddistributor/store/etcd/etcdkeys"
 	"github.com/uber/cadence/service/sharddistributor/store/etcd/etcdtypes"
 	"github.com/uber/cadence/service/sharddistributor/store/etcd/executorstore/common"
-	clientv3 "go.etcd.io/etcd/client/v3"
 )
 
 type namespaceShardToExecutor struct {