python 智能玩别踩白块

# encoding :utf-8
import pyautogui
from PIL import Image
import time

pyautogui.FAILSAFE = True

time.sleep(2)
while (True):
    region=(646,446,320,10)
    im = pyautogui.screenshot(region= region)
    im.save("tes1t.png")

    for i in range(40,300,80):
        px=im.getpixel((i,5))
        print(i)
        if px[0] == 1:
             pyautogui.click(region[0] + i , region[1] + 5)