Update app.py

app.py

@@ -325,7 +325,7 @@ with gr.Blocks(css=css,head=js,fill_height=True) as demo:
         return []
             
 
-    result.change(fn=lambda :, inputs=[prompt,result], outputs=[], js=f'''(p,img)=>window.uploadImage(p, img,"process_finished","demo_hf_{cfg.get("name")}_card", "{cfg["model_id"]}")''')    
+    result.change(fn=lambda, inputs=[prompt,result], outputs=[], js=f'''(p,img)=>window.uploadImage(p, img,"process_finished","demo_hf_{cfg.get("name")}_card", "{cfg["model_id"]}")''')    
     run_button.click(generate, inputs=[prompt], outputs=[result],trigger_mode="once",js=f'''(p)=>window.postMessageToParent(p,"process_started","demo_hf_{cfg.get("name")}_card", "click_go")''')
     random_button.click(fn=lambda x:x, inputs=[prompt], outputs=[prompt], js='''(p)=>window.g(p)''')
     demo.load(fn=on_demo_load, inputs=[], outputs=[result], js='''()=>onDemoLoad()''')