diff --git a/chain/store/weight_test.go b/chain/store/weight_test.go
index 3eeffe7540a..20799df7bf7 100644
--- a/chain/store/weight_test.go
+++ b/chain/store/weight_test.go
@@ -4,14 +4,14 @@ import (
 	"bytes"
 	"testing"
 
+	"github.com/ipfs/go-cid"
 	"github.com/minio/blake2b-simd"
+	"github.com/stretchr/testify/require"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
-	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/lotus/chain/types"
-	"github.com/stretchr/testify/require"
 )
 
 func TestWeightTieBreaker(t *testing.T) {