class_docstr: Worker that updates task status in redis with fixed frequency
      
docstr: stop status updating
          
docstr_tok: ["stop","status","updating"]
code: def stop(self) -> None:
      """stop status updating"""
      self._stop_event.set()
  
imports: import time
  import pickle
  import socket
  import threading
  from walrus import Database
  from redis.exceptions import ConnectionError
  from mindsdb.utilities.context import context
  from mindsdb.utilities.ml_task_queue.const import ML_TASK_STATUS
label_desc: Use image node_id 3 for calling the StatusNotifier obj's underlying member method code with example usage: obj.stop() without return types