fix two last mypy errors

Author: RayBB

openlibrary/asgi_app.py

@@ -118,7 +118,7 @@ async def i18n_middleware(request: Request, call_next):
 sentry: Sentry | None = None
 
 
-def create_app() -> FastAPI:
+def create_app() -> FastAPI | None:
     if "pytest" not in sys.modules:
         _setup_env()
 
@@ -133,7 +133,7 @@ def create_app() -> FastAPI:
 
             global sentry
             if sentry is not None:
-                return
+                return None
             sentry = init_sentry(getattr(infogami.config, 'sentry', {}))
             set_tag("fastapi", True)
 

openlibrary/fastapi/account.py

@@ -92,6 +92,7 @@ async def check_authentication(
         user_key=user.user_key if user else None,
         timestamp=user.timestamp if user else None,
         is_authenticated=user is not None,
+        error=None,
         cookie_name=cookie_name,
         cookie_value=(
             cookie_value[:50] + "..."