Fix bug: change run_id to run_uuid in example/rest_api because run_id no longer exist (#1312)
Fix bug: change run_id to run_uuid in example/rest_api because run_id no longer exist (#1312)


mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow