Update app_gradio.py

app_gradio.py

@@ -231,7 +231,7 @@ def create_gradio_interface():
                     )
                 with gr.Tab("Draw"):
                     draw_sketchpad = gr.Sketchpad(
-                        value=[{"background": "./static/examples/background.jpeg"}],
+                        value=[["background", "./static/examples/background.jpeg"]],
                         type="pil",
                         image_mode="RGB",
                         layers=False,