fix bug with roc-auc plot
Created by: valer1435
Fix for https://github.com/nccr-itmo/FEDOT/issues/720 issue. Method to get unique class labels for data was added.
Created by: valer1435
Fix for https://github.com/nccr-itmo/FEDOT/issues/720 issue. Method to get unique class labels for data was added.