fix bugs, add example cache

app.py

@@ -99,7 +99,7 @@ with gr.Blocks() as demo:
     gr.Markdown('''
                 ## Example inputs
             ''')
-    examples = gr.Examples(examples=example_list, label="Examples", inputs=[prompt], cache_examples=True)
+    examples = gr.Examples(examples=example_list, label="Examples", inputs=[prompt], cache_examples=True, fn=inference, outputs=[norm_output, adapted_output])
     button.click(inference, inputs=prompt, outputs=[norm_output, adapted_output])
 
 demo.queue(concurrency_count=1)