Update modules/app.py

modules/app.py

@@ -90,7 +90,7 @@ async def logout(request: Request):
                 "returnTo": root_url,
                 "client_id": OIDC_CLIENT_ID,
             },
-            quote_via=quote_plus,
+            quote_via=urllib.parse.quote_plus,
         )
                   )
     return RedirectResponse(url=logout_path)