fix the bug finally

app.py

@@ -13,7 +13,7 @@ def show_preds_image(image_path):
     results = outputs[0]
     print("results:", results)
 
-    for i, det in enumerate(results.boxes.xyxy):
+    for i, det in enumerate(results.boxes.xyxy.cpu().numpy()):
         cv2.rectangle(
             image,
             (int(det[0]), int(det[1])),
@@ -46,8 +46,8 @@ def show_preds_video(video_path):
         if ret:
             frame_copy = frame.copy()
             outputs = model.predict(source=frame)
-            results = outputs[0].cpu().numpy()
-            for i, det in enumerate(results.boxes.xyxy):
+            results = outputs[0]
+            for i, det in enumerate(results.boxes.xyxy.cpu().numpy()):
                 cv2.rectangle(
                     frame_copy,
                     (int(det[0]), int(det[1])),