how to solve this error this is also related to same project where i have sent you previous doubts

please give the solution for error

NameError Traceback (most recent call last) 7 cv2.imurite("gray.jpg", gray) 9b= color [:,:,0] 10g=color[:,:,1] 11r= color [:,:,2] NameError: name 'color' is not defined Since h>w, we make sure h fits in our desired height value, e.g., 20