fix formatting

Author: kevinlu310

src/a2a/server/request_handlers/default_request_handler.py

@@ -330,9 +330,7 @@ async def push_notification_callback() -> None:
             )
 
             if bg_consume_task is not None:
-                bg_consume_task.set_name(
-                    f'continue_consuming:{task_id}'
-                )
+                bg_consume_task.set_name(f'continue_consuming:{task_id}')
                 self._track_background_task(bg_consume_task)
 
         except Exception:

tests/server/request_handlers/test_default_request_handler.py

@@ -542,7 +542,11 @@ async def mock_consume_and_break_on_interrupt(
         nonlocal event_callback_passed, event_callback_received
         event_callback_passed = event_callback is not None
         event_callback_received = event_callback
-        return initial_task, True, MagicMock(spec=asyncio.Task)  # interrupted = True for non-blocking
+        return (
+            initial_task,
+            True,
+            MagicMock(spec=asyncio.Task),
+        )  # interrupted = True for non-blocking
 
     mock_result_aggregator_instance.consume_and_break_on_interrupt = (
         mock_consume_and_break_on_interrupt