title: opencv 3.0.0-dev python bindings not working properly
body: <p>I am on ubuntu 14.04.02, i have python, cython and numpy installed and updated.
  i pulled the latest sources of open cv from <a href="http://github.com/itseez/opencv" rel="noreferrer">http://github.com/itseez/opencv</a>, compiled according to the documentation...
  when trying to run the python source i pulled from <a href="https://github.com/shantnu/FaceDetect/" rel="noreferrer">https://github.com/shantnu/FaceDetect/</a>
  it's giving me the following error :</p>
  
  <blockquote>
    <p>modprobe: FATAL: Module nvidia not found.
    Traceback (most recent call last):
     File "face_detect.py", line 21, in 
       flags = cv2.cv.CV_HAAR_SCALE_IMAGE
    AttributeError: 'module' object has no attribute 'cv'</p>
  </blockquote>
  
  <p>to make sure i have the python bindings i typed the following in the terminal:
  python</p>
  
  <pre><code>import cv2
  cv2.__version__
  </code></pre>
  
  <p>it returned the following
  '3.0.0-dev'</p>
  
  <p>what could be wrong with it?</p>