fixed issue with test acc on line 249

app.py

@@ -239,15 +239,14 @@ def train_and_test(train_model=True):
         # Train for one epoch and test
         train_dataset = MNISTAdversarial_Dataset('./data_mnist',TRAIN_TRANSFORM)
 
-        train_loader = torch.utils.data.DataLoader(train_dataset,batch_size=batch_size_test, shuffle=True
-                                                )
+        train_loader = torch.utils.data.DataLoader(train_dataset,batch_size=batch_size_test, shuffle=True)
         train(n_epochs,network,optimizer,train_loader)
     
     test_metric,test_acc = test()
 
     if os.path.exists(METRIC_PATH):
         metric_dict = read_json(METRIC_PATH)
-        metric_dict['all'] = metric_dict['all'] if 'all' in metric_dict else [] + [test_acc]
+        metric_dict['all'] = metric_dict['all']+ [test_acc] if 'all' in metric_dict else [] + [test_acc]
     else:
         metric_dict={}
         metric_dict['all'] = [test_acc]