AttributeError:"numpy.int64"对象没有属性"to_pydatetime" [英] AttributeError: 'numpy.int64' object has no attribute 'to_pydatetime'

问题描述

我是Python的新手.我已经开始使用pyfolio库，并且当我输入以下代码时

I am new to Python. I have started to use pyfolio library and when I typed the following code

pf.create_returns_tear_sheet(data['New_Adjusted_Returns'],benchmark_rets=None)

发生了一个名为的错误，如下所示:

An error named occurred as follow:

AttributeError: 'numpy.int64' object has no attribute 'to_pydatetime'

data ['New_Adjusted_Returns']由以下数据组成:

data['New_Adjusted_Returns'] consists of the following data:

Date
2020-02-14   -0.004500
2020-02-17   -0.022107
2020-02-18   -0.000029
2020-02-19   -0.000800
2020-02-20   -0.017102
2020-02-21   -0.000028
2020-02-24    0.014400
2020-02-25    0.007900
2020-02-26   -0.001000
2020-02-27   -0.000517
2020-02-28   -0.000029


Would someone be able to help me on this issue? Thank you very much.

推荐答案

通过更改文件timeseries.py中的第893行来解决此问题.

fixed this by changing line 893 in file timeseries.py

valley = underwater.index[np.argmin(underwater)] # end of the period

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