Only 1 argument return

app.py

@@ -131,8 +131,7 @@ with gr.Blocks(css=css) as demo:
     gr.on(
         triggers=[run_button.click, prompt.submit],
         fn=infer,
-        inputs=[prompt, negative_prompt, seed, randomize_seed,
-                width, height, guidance_scale, num_inference_steps],
+        inputs=[prompt],
         outputs=[result]
     )