Pass y_score to roc_auc_class with dtype=float
Pass y_score to roc_auc_class with dtype=float

Suppress a 'DeprecationWarning: numpy boolean subtract, the `-` operator,
is deprecated, use the bitwise_xor, the `^` operator, or the logical_xor
function instead'

cheral/orange3,cheral/orange3,cheral/orange3,cheral/orange3,cheral/orange3,cheral/orange3