Input Image Bug fix

app.py

@@ -744,7 +744,7 @@ def add_border(image, mask_width, mask_height, blank_color):
 def on_input_image_change(image_path):
     if image_path is None:
         gr.Warning("Please upload an Input Image to get started.")
-        return None, gr.update()
+        return None, gr.update(), gr.update(), gr.update()
     img, img_path = convert_to_rgba_png(image_path)
     width, height = img.size
     return [img_path, gr.update(width=width, height=height), gr.update(value=width), gr.update(value=height)]