code: def is_delayed_tuple(obj) -> bool:
      """is_delayed_tuple.
  
      Parameters
      ----------
      obj : object
  
      Returns
      -------
      bool
          is `obj` joblib.delayed tuple
      """
      return (
          isinstance(obj, tuple) and len(obj) == 3 and callable(obj[0])
      )
  
imports: from functools import partial
  from threading import Thread
  from typing import Callable, Text, Union
  from joblib import Parallel, delayed
  from joblib._parallel_backends import MultiprocessingBackend
  import pandas
  from queue import Queue
  import concurrent
  from qlib.config import C, QlibConfig
label_desc: Use image node_id 2 for calling a global function with example usage: is_delayed_tuple(obj) and returns: unknown