这个代码为什么不能运行，能帮我看看吗
import cv2pic = cv2.imread(r'C:\Users\86188\Desktop\hero.png')
gray = cv2.cvtColor(pic, cv2.COLOR_BGR2GRAY)
hsl = cv2.cvtColor(pic, cv2.COLORMAP_HSV)
ycr = cv2.cvtColor(pic, cv2.COLOR_RGB2YCR_CB)
cv2.imshow("2" , pic)
cv2.imshow("3" , hsl)
cv2.imshow("4" , ycr)
b = cv2.waitKey(0)
if b == 27:
cv2.destroyAllWindows() 应该是图片的原因，用画图编辑另存为新文件，代码中把路径改为新文件路径再试试
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