code: def func():
      return "func"
  
file_path: jupyter_core/tests/test_utils.py
imports: from __future__ import annotations
  import asyncio
  import os
  import tempfile
  import pytest
  from jupyter_core.utils import deprecation, ensure_async, ensure_dir_exists, ensure_event_loop, run_sync
label_desc: Use image node_id 3 for calling a global function with example usage: func() and returns: str