Update app.py

app.py

@@ -492,7 +492,7 @@ def predict(
     # ---------------------
     t = time.time()
     reference_obj_img = make_square(reference_obj_img)
-    reference_square_mask = remove_bg_u2netp(reference_obj_img)
+    reference_square_mask = remove_bg(reference_obj_img)
     print("Reference image processing completed in {:.2f} seconds".format(time.time() - t))
 
     t = time.time()