我有一个命令可以通过 2 个按钮来回移动一系列图像:left = '⏪'right = '⏩'def predicate(message, l, r): def check(reaction, user): if reaction.message.id != message.id or user == Bot.user: return False if l and reaction.emoji == left: return True if r and reaction.emoji == right: return True return False return check一些东西mmsg = ("1.png", "2.png", "3.png", "4.png")index = 0while True: msg = await Bot.send_file(ctx.message.channel, mmsg[index]) l = index != 0 r = index != len(mmsg) - 1 if l: await Bot.add_reaction(msg, left) if r: await Bot.add_reaction(msg, right) Bot.wait_for_reaction reaction, ctx.message.author = await Bot.wait_for_reaction(check=predicate(msg, l, r)) if reaction.emoji == left: index -= 1 elif reaction.emoji == right: index += 1 await Bot.delete_message(msg)但是当你以外的人点击按钮时,命令起作用,这不应该发生,只有执行命令的人才能点击按钮,如谓词检查所示,应该怎么做?
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