import numpy as np
import cv2 
from PIL import Image, ImageFont, ImageDraw 
import PIL


def canny(filepathname, left=120, right=200):
    v = cv2.imread(filepathname)
    #s = cv2.cvtColor(v, 0)
    s = cv2.Canny(v, left, right)
    cv2.imshow('lines',s)
    cv2.waitKey(12000)
    cv2.imwrite('qqlines.jpg',s)
    return s

canny('www.jpg')