diff --git a/packages/application/tts_job/streaming_service.py b/packages/application/tts_job/streaming_service.py
index b1b5f8a5e..b9ded2270 100644
--- a/packages/application/tts_job/streaming_service.py
+++ b/packages/application/tts_job/streaming_service.py
@@ -11,7 +11,6 @@ import asyncio
 import logging
 from typing import Any, Optional
 
-
 from packages.application.cosyvoice_service import CosyVoiceError, CosyVoiceService
 from packages.application.tts_job.text_splitter import split_text
 from packages.shared.url_security import ALLOWED_AUDIO_MIME_TYPES, safe_download_bytes
diff --git a/packages/application/tts_job/workflow.py b/packages/application/tts_job/workflow.py
index 393c552a2..137ab4b77 100644
--- a/packages/application/tts_job/workflow.py
+++ b/packages/application/tts_job/workflow.py
@@ -17,7 +17,6 @@ import tempfile
 from concurrent.futures import ThreadPoolExecutor, as_completed
 from typing import Optional
 
-
 from packages.application.cosyvoice_service import CosyVoiceAuthError, CosyVoiceError, CosyVoiceService
 from packages.application.tts_job.audio_merger import AudioMerger
 from packages.application.tts_job.text_splitter import split_text