docstr: return the object to replace the delayed task
docstr_tok: ["return","the","object","to","replace","the","delayed","task"]
code: def get_replacement(self):
      """return the object to replace the delayed task"""
      raise NotImplementedError("NotImplemented")
  
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 3 for calling the DelayedTask obj's underlying member method code with example usage: obj.get_replacement() without return types