Update app.py

app.py

@@ -99,7 +99,7 @@ with gr.Blocks(theme=gr.themes.Monochrome()) as demo:
         with gr.Column(scale=1):
             sample_1 = "https://i.pinimg.com/originals/e3/44/d7/e344d7631cd515edd36cc6930deaedec.jpg"
             sample_2 = "https://www.explore.co.uk/medialibraries/explore/blog-images/2018%2012%20december/shutterstock_1080525158-2.jpg?ext=.jpg&width=620&format=webp&quality=80&v=202103231018"
-            sample_3 = "https://blog.kakaocdn.net/dn/nqcUB/btrzYjTgjWl/jFFlIBrdkoKv4jbSyZbiEk/img.jpg"
+            sample_3 = "https://media.istockphoto.com/id/495292220/photo/colorful-cute-toucan-tropical-bird-in-brazilian-amazon-blurred-background.webp?b=1&s=170667a&w=0&k=20&c=9uiwllVE4BPs9Ia8SQOhwqfcPJ6ajYZcmnxCRbktR4k="
             gallery = gr.Gallery(label="Retrieved images", 
                                  show_label=True, preview=True, 
                                  object_fit="contain",