Update app.py

app.py

@@ -204,6 +204,12 @@ with gr.Blocks(title="CuMo", theme=gr.themes.Default(), css=block_css) as demo:
     with gr.Row():
         with gr.Column(scale=3):
             imagebox = gr.Image(label="Input Image", type="filepath")
+            imagebox.change(
+                fn=clear_history,
+                inputs=None,
+                outputs=[state, chatbot, textbox, imagebox, regenerate_btn, clear_btn],
+                queue=False
+            )
             image_process_mode = gr.Radio(
                 ["Crop", "Resize", "Pad", "Default"],
                 value="Default",