remove exception catch in stopping phase

main.py

@@ -29,15 +29,13 @@ async def startup(fast_api: FastAPI):
     print(f"{mysql_engine=}")
     print("mysql init done")
     task = asyncio.create_task(internal_loop(influxdb_client, mysql_client))
-    try:
-        yield
-    finally:
-        # Shutdown logic
-        await internal_loop_stop(task)
-        await influxdb_client.close()
-        mysql_engine = get_mysql_engine()
-        await mysql_client.close()
-        await mysql_engine.dispose()
+    yield
+    # Shutdown logic
+    await internal_loop_stop(task)
+    await influxdb_client.close()
+    mysql_engine = get_mysql_engine()
+    await mysql_client.close()
+    await mysql_engine.dispose()
 
 app = FastAPI(lifespan=startup)