Update app.py

app.py

@@ -18,7 +18,7 @@ inv_normalize = transforms.Normalize(
 classes = ('plane', 'car', 'bird', 'cat', 'deer',
            'dog', 'frog', 'horse', 'ship', 'truck')
 
-def inference(input_img, transparency, target_layer_number = -1):
+def inference(input_img, transparency = 0.5, target_layer_number = -1):
     transform = transforms.ToTensor()
     input_img = transform(input_img)
     input_img = input_img