jieba库问题，这个错误怎么解决

def join(text_list):
return " ".join(text_list)
news['content'] = news['content'].apply(join)
news.sample(5)

代码错误提示
4 news['content'] = news['content'].apply(join)

'generator' object has no attribute 'decode'

emmm，news['content']的值是啥，截图看看
你这代码没有问题啊