docs: def task_postponed(self):
  		""" Track (if required) postponing event and do the same job as :meth:`.WScheduleRecord.task_postponed`
  		method do
  
  		:return: None
  		"""
  		tracker = self.task().tracker_storage()
  		if tracker is not None and self.track_wait() is True:
  			details = self.task().event_details(WTrackerEvents.wait)
  			tracker.register_wait(self.task(), event_details=details)
  		WScheduleRecord.task_postponed(self)