缩进有问题是为啥啊

from time import sleep
import pyautogui
import cv2
from PIL import ImageGrab, Image
import requests

#事先对按钮截图
afk = cv2.imread('Screenshot 2024-10-03 223203.png', cv2.IMREAD_GRAYSCALE)
while():
    msg = pyautogui.locateOnScreen(zhengnengliangImg, grayscale=True,confidence=.9)
    if msg==None: 
    	print ("没找到")
    else:
    	x,y,width,height=msg
        pyautogui.click(x,y,button='left')