diff --git a/tests/unit/test_1970_gpu_worker_heartbeat.py b/tests/unit/test_1970_gpu_worker_heartbeat.py
index bea492320..f2cabd38c 100644
--- a/tests/unit/test_1970_gpu_worker_heartbeat.py
+++ b/tests/unit/test_1970_gpu_worker_heartbeat.py
@@ -132,9 +132,7 @@ def test_handle_task_reports_cancelled_after_musetalk_abort(worker, monkeypatch)
     monkeypatch.setattr(worker, "_download", lambda url, path: True)
     monkeypatch.setattr(worker, "_probe_duration", lambda path: 12.0)
     # 模拟推理被终止（/inference 返回错误）
-    monkeypatch.setattr(
-        worker, "_call_musetalk", lambda v, a, o: (False, 0.0, "推理被取消", False)
-    )
+    monkeypatch.setattr(worker, "_call_musetalk", lambda v, a, o: (False, 0.0, "推理被取消", False))
     monkeypatch.setattr(
         worker,
         "_report_result",