title: Installing opencv on python 3.5.3 on raspbian OS
body: <p>While installing <code>opencv</code> and <code>face_recognition</code>, it turns out the <code>face_recognition</code> library is not possible on python 2.7.13, but it is working fine on python python 3.5 where as <code>opencv</code> is working fine on python 2.7 but it is not installing on python 3.5.</p>
  
  <p>I want to compile both on Python ! 
  Any suggestions?</p>