title: Pepper Robot - getImageLocal generates error
body: <p>When trying to get an image from the robot using getImageLocal, I receive an error message. This is despite the fact that I am running the code directly on the robot. The error message is:</p>
  
  <pre><code>Traceback (most recent call last):
    File "test.py", line 13, in &lt;module&gt;
      video_device.getImageLocal(handle)
  RuntimeError: Uncaught error: Pointer serialization not implemented
  </code></pre>
  
  <p>The code I've used to obtain this error is below (I receive the same error when using C++ as well) :</p>
  
  <pre><code>import qi
  import sys
  
  if __name__ == "__main__":
      app = qi.Application(sys.argv)
  
      # start the eventloop
      app.start()
  
      video_device = app.session.service("ALVideoDevice")
      handle = video_device.subscribe('handler', 0, 0, 10)
  
      video_device.getImageLocal(handle)
      video_device.releaseImage(handle)
  </code></pre>
  
  <p>I'm currently running this code using:</p>
  
  <pre><code>python test.py --qi-url=tcp://pepper.local
  </code></pre>
  
  <p>I would be very interested to know if it is something that I am doing wrong here, or if there is a more serious underlying issue.</p>