value error

[surajgharmalkar]

ValueError
Cell In [104], line 2
1 filename = "../476362180.jpg"
----> 2 bg_rem_img = bg_sub(filename)

Cell In [101], line 13, in bg_sub(filename)
10 kernel = np.ones((50,50),np.uint8)
11 closing = cv2.morphologyEx(im_bw_otsu, cv2.MORPH_CLOSE, kernel)
---> 13 ret_image, contours, hierarchy = cv2.findContours(closing,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE)
15 contains = []
16 y_ri,x_ri, _ = resized_image.shape

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

[div910]

please assign it to me