diff --git a/tests/unit/domain/test_voice_presets.py b/tests/unit/domain/test_voice_presets.py
index cc21c5864..e3ac2da1c 100755
--- a/tests/unit/domain/test_voice_presets.py
+++ b/tests/unit/domain/test_voice_presets.py
@@ -1,7 +1,6 @@
 """voice_presets 配音音色预设模块单测."""
 
 import pytest
-
 from domain.voice_presets import (
     MOCK_VOICES,
     VoiceGender,