diff --git a/mb/app/main.py b/mb/app/main.py
index bea62dc..410ec2d 100644
--- a/mb/app/main.py
+++ b/mb/app/main.py
@@ -37,7 +37,7 @@
 
 
 @asynccontextmanager
-async def lifespan(fastapi_app: FastAPI):
+async def lifespan(fastapi_app: FastAPI):  # ignore: unused-argument
     await init_mongo()
     await create_superuser()
     yield