Update app.py

app.py

@@ -60,7 +60,7 @@ with demo:
                 Button_show_anchor = gr.Button(value="Predict anchors", visible=False)
             Button_run = gr.Button(value="Colorize")
         with gr.Column():
-            Image_output = [gr.Image(type="numpy", label="Output"), gr.Image(type="numpy", label="Output")]
+            Image_output = [gr.Image(type="numpy", label="Output", format="png"), gr.Image(type="numpy", label="Output", format="png")]
 
     Ckeckbox_editable.change(fn=switch_states, inputs=Ckeckbox_editable, outputs=[Image_anchor, Button_show_anchor])
     Button_show_anchor.click(fn=click_predanchors, inputs=[Image_input, Num_anchor, Radio_resolution, Ckeckbox_editable], outputs=Image_anchor)