Update app.py

app.py

@@ -115,7 +115,7 @@ def gradio_app():
                            outputs=[output_video, error_output])
 
         def use_sample_video():
-            sample_video_path = "Drone Video of African Wildlife Wild Botswan.webm"
+            sample_video_path = "Drone Video of African Wildlife Wild Botswan.mp4"
             return process_and_update(sample_video_path, "animal")
 
         use_sample_button.click(use_sample_video,