Update app.py

app.py

@@ -178,7 +178,7 @@ net = build_model(hypar, device)
 def inference(image):
   image_path = image
   
-  image_tensor, orig_size = cv2.imread(image_path) 
+  image_tensor = cv2.imread(image_path) 
   mask = predict(net, image_tensor)