Update app.py

app.py

@@ -76,7 +76,8 @@ def detect_objects(image_path):
 def draw_bounding_boxes(img, results):
     for (x1, y1, x2, y2), conf, cls in results:
         x1, y1, x2, y2, cls = map(int, [x1, y1, x2, y2, cls])
-        print("results in draw_bounding box:",[(x1, y1, x2, y2), conf:.4f, cls])
+        conf = conf.detatch().item()
+        print("results in draw_bounding box:",[(x1, y1, x2, y2), conf, cls])
         cv2.rectangle(img, (x1, y1), (x2, y2), (255, 0, 0), 2)
         cv2.putText(img, f'{model.names[int(cls)]} {conf:.2f}', (x1, y1 - 10), cv2.FONT_HERSHEY_SIMPLEX, 0.9, (36, 255, 12), 2)
     return img