报错NameError: name 'timedelta' is not defined

由liangyingjing创建，最终由liangyingjing更新于2023-06-01 14:26 被浏览 46 用户

问题

报错NameError: name 'timedelta' is not defined

这个报错是因为什么呀！

https://bigquant.com/experimentshare/cc6df4bccb9d436fa1f39d9e33d14efb

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评论

1、请参照如下写法 ![{w:100}](/wiki/api/attachments.redirect?id=15f7bc0f-186e-4c7c-b6a3-e29672e3e550 "left-50") 2、另外，你的因子表达式有误，请参照： [https://bigquant.com/experimentshare/5423538f96214174b3bbf54a8098dfe4](https://bigquant.com/experimentshare/5423538f96214174b3bbf54a8098dfe4) \

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