Fix "'Image' object is not subscriptable" error

app.py

@@ -64,7 +64,7 @@ def detect_objects(img: Image.Image):
             f"Detected {yolos_model.config.id2label[label.item()]} with confidence "
             f"{round(score.item(), 3)} at location {box}"
         )
-        box_images.append(img[box[1]:box[3], box[0]:box[2]])
+        box_images.append(img.crop((box[0], box[1], box[2], box[3])))
 
     return box_images[0]