code: def test_types(workflow_start_regular_shared):
      class NotAnEventListener:
          pass
  
      with pytest.raises(TypeError):
          workflow.wait_for_event(NotAnEventListener)
  
file_path: ray/python/ray/workflow/tests/test_events.py
imports: import asyncio
  import time
  import pytest
  import ray
  from ray import workflow
  from ray.tests.conftest import *
  from ray.workflow.tests import utils
label_desc: Use image node_id 7 for calling a global function with example usage: test_types(workflow_start_regular_shared) without return types