Update to change factorial

Author: Carole Sudre

MetricsReloaded/metrics/calibration_measures.py

@@ -236,7 +236,7 @@ def kernel_calibration_error(self):
                 vect_j = one_hot_ref[j,:] - self.pred[j,:]
                 value_ij = np.matmul(vect_i, np.matmul(kernel,vect_j.T))
                 sum_tot += value_ij
-        multiplicative_factor = math.factorial(numb_samples)/ (2 * np.math.factorial(numb_samples-2))
+        multiplicative_factor = math.factorial(numb_samples)/ (2 * math.factorial(numb_samples-2))
         kce = 1/multiplicative_factor * sum_tot
         return kce