AttributeError: 'list' object has no attribute 'array_ROC_TPR_FPR'

This error occurs when you try to access an attribute that does not exist for a list object. In this case, it seems that you are trying to access the attribute "array_ROC_TPR_FPR" on a list object, which is not defined for lists.

To fix this error, you need to make sure that you are accessing the correct object and that it has the attribute you are trying to access. You may need to check your code and make sure that you are using the correct data type or class for the object you are working with.