Update app.py

app.py

@@ -141,7 +141,7 @@ def predict():
         gradcam = GradCAM(model, target_layer_name)
 
         # Forward pass
-        input_tensor.requires_grad = True
+        
         output = model(input_tensor)
 
         probabilities = F.softmax(output, dim=1).cpu().numpy()[0]