my code import cv2 import numpy as np
faceDetect=ClasscadeClassifier('haarcascade_frontalface_default.xml'); cam=cv2.VideoCapture(1);
while(True): ret,img=cam.read(); gray=cv2.cvtColor(img,cv2.COLOR_BGR2GRAY) faces=faceDetect.detectMultiScale(gray,1.3,5); for(x,y,w,h) in faces: cv2.rectangle(img,(x,y),(x+w,y+h),(0,0,255),2) cv2.imshow("Face",img); if(cv2.waitKey(1)==ord('q')): break; cam.release() cv2.destroyAllWindows()