AttributeError: 'float' object has no attribute 'mean'

[LarryLinyz]

Hi. I have encountered an error when running the code. I wonder whether anyone else also have this kind of problems. Thanks.

[16114:MainThread](2022-08-04 11:56:34,338) ERROR - qlib.workflow - [utils.py:41] - An exception has been raised[AttributeError: 'float' object has no attribute 'mean']. File "learn.py", line 458, in main(args) File "learn.py", line 349, in main name, ic.mean(), rank_ic.mean())) AttributeError: 'float' object has no attribute 'mean'

[ZZLlovelx]

I also have this Error,by the way,do you know how to deal with it?