Webapp: Query for upstream does not show upstream_weight

[saarasio]

ubuntu@ip-172-31-17-83:~/enroute$ curl localhost:1323/upstream | python -m json.tool
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  1042  100  1042    0     0   149k      0 --:--:-- --:--:-- --:--:--  169k
{
    "data": {
        "saaras_db_upstream": [
            {
                "create_ts": "2019-09-09T17:38:44.516337+00:00",
                "update_ts": "2019-09-09T18:32:55.590527+00:00",
                "upstream_hc_healthythresholdcount": null,
                "upstream_hc_host": "127.0.0.1",
                "upstream_hc_intervalseconds": null,
                "upstream_hc_path": "/",
                "upstream_hc_timeoutseconds": null,
                "upstream_hc_unhealthythresholdcount": null,
                "upstream_id": 2,
                "upstream_ip": "127.0.0.1",
                "upstream_name": "webapp_serve_process",
                "upstream_port": 1323,
                "upstream_strategy": null,
                "upstream_validation_cacertificate": null,
                "upstream_validation_subjectname": null
            },
            {
                "create_ts": "2019-09-09T18:28:18.684243+00:00",
                "update_ts": "2019-09-10T00:06:01.290403+00:00",
                "upstream_hc_healthythresholdcount": 0,
                "upstream_hc_host": "127.0.0.1",
                "upstream_hc_intervalseconds": 0,
                "upstream_hc_path": "/v1/version",
                "upstream_hc_timeoutseconds": 0,
                "upstream_hc_unhealthythresholdcount": 0,
                "upstream_id": 3,
                "upstream_ip": "127.0.0.1",
                "upstream_name": "db_serve_process",
                "upstream_port": 8081,
                "upstream_strategy": "",
                "upstream_validation_cacertificate": "",
                "upstream_validation_subjectname": ""
            }
        ]
    }
}