After running the first program, all the generated CSV files show 'hit'. When running the second program, I encountered this error: ValueError: This solver needs samples of at least 2 classes in the data, but the data contains only one class: 'Hit'. How can I fix this issue?

Additionally, I would like to know how to create a PKL file. Your example is for 'supershy'. If I want to apply it to other songs, how should I create their datasets? Thank you.

Here is my email: ben20415@gmail.com Line:ben900707 If it's convenient, I hope we can use this to keep in touch.