Update app.py

app.py

@@ -155,7 +155,7 @@ with gr.Blocks() as demo:
 
     gr.Examples(
         examples=[
-            ["dog_man_forest.jpg", "audio.m4a", "Is there a dog present in the image?"],
+            ["dog_man_forest.jpg", "audio.wav", "Is there a dog present in the image?"],
         ],
         inputs=[image_input, audio_input, text_input, response_count],
         outputs=[response],