Fix startup error

Let examples be lazily cached

app.py

@@ -642,7 +642,6 @@ with gr.Blocks(css=css) as demo:
         inputs=[face_file, pose_file, prompt, style, negative_prompt],
         fn=run_for_examples,
         outputs=[gallery, usage_tips],
-        cache_examples=True,
     )
 
     gr.Markdown(article)