<built-in function imshow> returned NULL without setting an error

Question

I tried the below code and got the following error " returned NULL without setting an error"

import cv2
img=cv2.imread('C:\\Users\\us\\Downloads\\spurthi122.png')
l=cv2.cvtColor(img,cv2.COLOR_BGR2HSV)
cv2.imshow(l,img)

please help me in eliminating the error. Thanks in advance for the help!!!

Answer 1

img=cv2.imread('C:\Users\us\Downloads\spurthi122.png')

删除\\\\斜杠并替换为\\