title: 'cv2.CascadeClassifier' object has no attribute 'detectMultiscale'
body: <p>I simply want to detect face and eyes using haarcascade. But this is the error I am receiving.</p>
  
  <pre><code>Traceback (most recent call last):   File "L:/Project/1", line 10, in &lt;module&gt;
      faces=face_cascade.detectMultiscale(gray,1.3,5) AttributeError: 'cv2.CascadeClassifier' object has no attribute
  
  'detectMultiscale'
  </code></pre>
  
  <p>This is the code I found on internet</p>
  
  <pre><code>import numpy as np
  import cv2
  
  face_cascade=cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
  eye_cascade=cv2.CascadeClassifier('haarcascade_eye.xml')
  
  img=cv2.imread('download.jpg')
  gray=cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
  
  faces=face_cascade.detectMultiscale(gray,1.3,5)
  for(x,y,w,h) in faces:
      cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)
      roi_gray=gray[y:y+h,x:x+w]
      roi_color=img[y:y+h,x:x+w]
      eyes=eye_cascade.detectMultiScale(roi_gray)
      for(ex,ey,ew,eh) in eyes:
          cv2.rectangle(roi_color,(ex,ey),(ex+ew,ey+eh),(0,255,0),2)
  
  cv2.imshow('img',img)
  cv2.waitKey(0)
  cv2.destroyAllWindows
  </code></pre>