def sk_auc(x, y, reorder=False):
x = x.flatten()
y = y.flatten()
if reorder:
idx = np.argsort(x, kind='stable')
x = x[idx]
y = y[idx]
return _sk_auc(x, y)
def sk_auc(x, y):
x = x.flatten()
y = y.flatten()
return _sk_auc(x, y)