diff --git a/datasets/linemod/dataset.py b/datasets/linemod/dataset.py
index b887a81c60ef019a3eed778ebbaf5120f117f845..0a3a852ca5417c4790f68dd50383ca2c861dab97 100755
--- a/datasets/linemod/dataset.py
+++ b/datasets/linemod/dataset.py
@@ -215,7 +215,9 @@ img_length = 640
 
 def mask_to_bbox(mask):
     mask = mask.astype(np.uint8)
-    _, contours, _ = cv2.findContours(mask, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
+    contours, _ = cv2.findContours(mask, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
+
+
     x = 0
     y = 0
     w = 0