code: def test_unsupported_class():
      mock_model = object()
      with pytest.raises(
          MlflowException,
          match="only supports instances loaded by ~promptflow.load_flow",
      ):
          with mlflow.start_run():
              mlflow.promptflow.log_model(mock_model, "mock_model_path")
  
file_path: mlflow/tests/promptflow/test_promptflow_model_export.py
imports: import json
  from pathlib import Path
  import pytest
  from promptflow import load_flow
  from promptflow._sdk.entities._flow import Flow
  from pyspark.sql import SparkSession
  import mlflow
  from mlflow import MlflowException
  from mlflow.deployments import PredictionsResponse
  from mlflow.pyfunc.scoring_server import CONTENT_TYPE_JSON
  from tests.helper_functions import pyfunc_serve_and_score_model
label_desc: Use image node_id 9 for calling a global function with example usage: test_unsupported_class() without return types