chore: execute goimports to format the code (#7983)

* chore: execute goimports to format the code

Signed-off-by: promalert <promalert@outlook.com>

* goimports -w .

---------

Signed-off-by: promalert <promalert@outlook.com>
Co-authored-by: Chris Lu <chris.lu@gmail.com>

weed/storage/erasure_coding/ec_test.go

@@ -3,11 +3,12 @@ package erasure_coding
 import (
 	"bytes"
 	"fmt"
-	"github.com/stretchr/testify/assert"
 	"math/rand"
 	"os"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
+
 	"github.com/klauspost/reedsolomon"
 
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle_map"