docs: def task_finished(self, watchdog):
  		""" Handle/process scheduled task stop
  
  		:param watchdog: watchdog of task that was stopped
  
  		:return: None
  		"""
  		if watchdog in self.__running_registry:  # when cleanup hits stop
  			self.__running_registry.remove(watchdog)
  			self.__done_registry.append(watchdog)
  			self.cleanup_event().set()