fix error on runtime at line 135 `gradio.Example`

try fix ```ValueError("If caching examples, `fn` and `outputs` must be provided")```

app.py

@@ -134,13 +134,16 @@ with gr.Blocks(css=css) as demo:
         
         gr.Examples(
             examples = examples,
-            inputs = [prompt]
+            fn = infer,
+            inputs = [prompt],
+            outputs = [result, seed],
+            cache_examples="lazy"
         )
 
     run_button.click(
         fn = infer,
         inputs = [prompt, negative_prompt, seed, randomize_seed, width, height, guidance_scale, num_inference_steps],
-        outputs = [result]
+        outputs = [result, seed]
     )
 
 demo.queue().launch()