code: def is_locked(self) -> bool:
      return True
  
imports: from typing import Any, List, Optional, Tuple
  from streamlit import util
  from streamlit.runtime.scriptrunner import get_script_run_ctx
label_desc: Use image node_id 5 for calling the LockedCursor obj's underlying member method code with example usage: obj.is_locked() and returns: True