用tushare获取股票指数数据,想要将数据输出保存
代码:
import tushare as ts
cons = ts.get_apis()
df = ts.bar('sh', conn = cons, asset = 'INDEX', start_date='2010-01-01', end_date='')
df.to_csv('sh.csv')
运行后出现这个错误:
AttributeError: 'NoneType' object has no attribute 'to_csv'
希望各位大佬给个解决方法,谢谢!!