To make oil painting in opencv

 import cv2

img = cv2.imread('WhatsApp Image 2020-08-22 at 15.25.39.jpeg')

res = cv2.xphoto.oilPainting(img, 7, 1)

cv2.imshow("Painting", res)

#press esc to exit the program

cv2.waitKey(0)

#close all the opened windows

cv2.destroyAllWindows()