Update pages/13_FFNN.py

pages/13_FFNN.py

@@ -97,7 +97,7 @@ def imshow(img):
 
 if st.sidebar.button('Show Test Results'):
     dataiter = iter(testloader)
-    images, labels = dataiter.next()
+    images, labels = next(dataiter)  # Use next function
     imshow(torchvision.utils.make_grid(images))
     st.write('GroundTruth: ', ' '.join(f'{labels[j]}' for j in range(8)))
     outputs = net(images)