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from WindPy import *
from datetime import *
import pandas as pd
w.start()
wwsddate=w.wsd("IC1708.CFE", "close", "2017-08-01", "2017-08-11", "Currency=CNY")
df=pd.DataFrame(wwsddate.Data,index=wwsddate.Times,columns=wwsddate.Fields)
print(df)
出现错误:AssertionError: 1 columns passed, passed data had 9 columns。
为什么,怎么解决呀。
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