@@ -412,7 +412,7 @@ class Solver(Utils):
                if idx == 0:
                    for target_idx in range(targets.size(0)):
                        x_adv, perturb = pgd_attack.perturb_iter_class(image_to_animate, black, targets[target_idx, :].unsqueeze(0).cuda())
-                        x_advs.append(x_adv, perturb)
+                        x_advs.append((x_adv, perturb))

                for target_idx in range(targets.size(0)):
                    # if target_idx == 0: