Error I countered
// for i in range(classes):
TypeError                                 Traceback (most recent call last)
 in ()
14 tpr = dict()
15 roc_auc = dict()
—> 16 for i in range(classes):
17     fpr[i], tpr[i], _ = roc_curve(classes[:, i], outputs[:, i])
18     roc_auc[i] = auc(fpr[i], tpr[i])
TypeError: ‘tuple’ object cannot be interpreted as an integer