Update app.py

app.py

@@ -29,7 +29,7 @@ for i, url in enumerate(file_urls):
             f"image_{i}.jpg"
         )
 
-model = YOLO('best.pt')
+model = YOLO('yolov8s.pt')
 path  = [['image_0.jpg'], ['image_1.jpg']]
 video_path = [['video.mp4']]