fix lint

lib/backupds/read.go

@@ -114,8 +114,6 @@ func ReadBackup(r io.Reader, cb func(key datastore.Key, value []byte) error) err
 			return err
 		}
 	}
-
-	return nil
 }
 
 func RestoreInto(r io.Reader, dest datastore.Batching) error {

node/modules/storage.go

@@ -2,10 +2,10 @@ package modules
 
 import (
 	"context"
-	"golang.org/x/xerrors"
 	"path/filepath"
 
 	"go.uber.org/fx"
+	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/lib/backupds"