chore: reformat with ruff

astrbot/core/platform/sources/dingtalk/dingtalk_adapter.py

@@ -775,9 +775,9 @@ class DingtalkPlatformAdapter(Platform):
                     task = loop.create_task(self.client_.start())
                     # 当 task 完成时唤醒线程（无论是正常退出还是异常退出）
                     task.add_done_callback(
-                        lambda _: self._shutdown_event.set()
-                        if self._shutdown_event
-                        else None
+                        lambda _: (
+                            self._shutdown_event.set() if self._shutdown_event else None
+                        )
                     )
                     self._shutdown_event.wait()
                     if task.done():