How to use the comiccrawler.mission_manager.mission_manager.remove function in comiccrawler

def remove(self, pool_name, *missions):
		"""Wrap mission_manager.remove."""
		for mission in missions:
			if mission.state in ("DOWNLOADING", "ANALYZING"):
				messagebox.showerror("Comic Crawler", "刪除任務失敗！任務使用中")
		mission_manager.remove(pool_name, *missions)

def cleanfinished():
			# mission_manager.clean_finished()
			missions = mission_manager.get_all("view", lambda m: m.state == "FINISHED")
			if not missions:
				return
			mission_manager.remove("view", *missions)
			print("移除 " + ", ".join(mission.title for mission in missions))
		self.btn_clean["command"] = cleanfinished

def _(event):
			mission = event.data
			
			init_episode(mission)
			if len(mission.episodes) == 1:
				uninit_episode(mission)
				return
				
			if not select_episodes(self.root, mission):
				mission_manager.remove("view", mission)

def cleanfinished():
			# mission_manager.clean_finished()
			missions = mission_manager.get_by_state("view", ("FINISHED",), all=True)
			if not missions:
				return
			mission_manager.remove("view", *missions)
			print("移除 " + ", ".join(mission.title for mission in missions))
		self.btn_clean["command"] = cleanfinished