diff --git a/apps/worker/worker_app/tasks/cleanup.py b/apps/worker/worker_app/tasks/cleanup.py
index f3f6903d8..28d5e7e22 100644
--- a/apps/worker/worker_app/tasks/cleanup.py
+++ b/apps/worker/worker_app/tasks/cleanup.py
@@ -7,7 +7,6 @@
 import logging
 
 from celery import shared_task
-
 from worker_app.tasks._startup import (
     PENDING_TASK_TIMEOUT_MINUTES,
     cleanup_stale_pending_tasks,
diff --git a/tests/unit/test_generation_task_pending_cleanup.py b/tests/unit/test_generation_task_pending_cleanup.py
index ce257b937..252f1be19 100644
--- a/tests/unit/test_generation_task_pending_cleanup.py
+++ b/tests/unit/test_generation_task_pending_cleanup.py
@@ -37,6 +37,7 @@ def _make_task(**kwargs) -> GenerationTask:
 # cleanup_stale_pending 基本测试
 # ---------------------------------------------------------------------------
 
+
 def test_cleanup_stale_pending_no_tasks_returns_zero():
     """没有任务时返回 0。"""
     repo, _, _ = _repository()