python 删除文件夹所有顺坏无法打开的视频

import  os
import cv2
from glob import glob
filePath = 'D:/b/'
cap=os.listdir(filePath)
for i in cap:
    cap = cv2.VideoCapture(filePath+i)
    s=cap.isOpened()
    if s==False:
        os.remove(filePath+i)