update code

app.py

@@ -333,7 +333,7 @@ with gr.Blocks() as demo:
                         },
                         {
                             "text": "Look and answer.",
-                            "files": ["examples/puzzle.png"]
+                            "files": ["examples/puzzle.jpg"]
                         },
                         {
                             "text": "Please point out all the hats on people's heads in the image, output concatenated point coordinates like <point>x y</point><point>x y</point>",