diff --git a/contrib/face_test.go b/contrib/face_test.go
index a6adc6b6..0c790465 100644
--- a/contrib/face_test.go
+++ b/contrib/face_test.go
@@ -2,8 +2,8 @@ package contrib
 
 import (
 	"gocv.io/x/gocv"
-	"testing"
 	"math"
+	"testing"
 )
 
 func TestLBPHFaceRecognizer_Methods(t *testing.T) {