ValueError: not enough values to unpack (expected 3, got 2)

[shqmffl486]

Lamp is assigned class label 0. 0%| | 0/1199 [00:00<?, ?it/s] Traceback (most recent call last): File "create_label_files.py", line 155, in cv2.CHAIN_APPROX_SIMPLE) ValueError: not enough values to unpack (expected 3, got 2)

how can i do? help me!

[Divyam10]

@shqmffl486 Change

  _,  contours, _ = cv2.findContours(thresh.copy(), cv2.RETR_EXTERNAL,
                                              cv2.CHAIN_APPROX_SIMPLE)

to

contours, _ = cv2.findContours(thresh.copy(), cv2.RETR_EXTERNAL,
                                              cv2.CHAIN_APPROX_SIMPLE)