fix syntax

tests/test_jobs.py

@@ -1,6 +1,7 @@
 import asyncio
 import unittest
 from types import SimpleNamespace
+from typing import Any
 from unittest.mock import patch
 
 from assistant_bot.jobs import post_init, post_shutdown
@@ -10,11 +11,11 @@ class ReminderJobLifecycleTests(unittest.IsolatedAsyncioTestCase):
     async def test_reminder_task_is_cancelled_on_shutdown(self) -> None:
         started = asyncio.Event()
 
-        async def fake_reminder_loop(application) -> None:
+        async def fake_reminder_loop(_application) -> None:
             started.set()
             await asyncio.Event().wait()
 
-        application = SimpleNamespace(bot_data={})
+        application: Any = SimpleNamespace(bot_data={})
         with patch("assistant_bot.jobs.reminder_loop", fake_reminder_loop):
             await post_init(application)
             await started.wait()