rank_pe=data['pe_de'].rank(method='average')
rank_roic=data['roic'].rank(ascending=False,method='average')
rank_used=rank_pe+rank_roic
rank_used=pd.DataFrame=(rank_used).rename(columns={0:'rank'})出现报错rename() got an unexpected keyword argument 'columns',是什么原因?

rename() got an unexpected keyword argument 'columns'出现怎么解决
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