Fix formatting errors

Author: Tyler Payne

python/packages/autogen-ext/tests/tools/test_mcp_actor.py

@@ -469,7 +469,9 @@ async def test_run_actor_exception_handling() -> None:
 
     # Create a mock session that will raise exceptions by modifying our mock session
     @asynccontextmanager
-    async def mock_failing_session(server_params: Any, sampling_callback: Any = None) -> AsyncGenerator[MagicMock, None]:
+    async def mock_failing_session(
+        server_params: Any, sampling_callback: Any = None
+    ) -> AsyncGenerator[MagicMock, None]:
         mock_session = MagicMock()
         mock_session.initialize = AsyncMock(
             return_value=mcp_types.InitializeResult(
@@ -1140,7 +1142,9 @@ async def test_run_actor_all_command_types_exception_handling() -> None:
 
     # Create a mock session that will raise exceptions for all command types
     @asynccontextmanager
-    async def mock_failing_session(server_params: Any, sampling_callback: Any = None) -> AsyncGenerator[MagicMock, None]:
+    async def mock_failing_session(
+        server_params: Any, sampling_callback: Any = None
+    ) -> AsyncGenerator[MagicMock, None]:
         mock_session = MagicMock()
         mock_session.initialize = AsyncMock(
             return_value=mcp_types.InitializeResult(