pi@dex:~/Desktop/GoPiGo/Software/Python/Examples/Browser_Streaming_Robot $ sudo python ./robot_web_server.py
sockjs.tornado will use json module
/home/pi/Desktop/GoPiGo/Software/Python/Examples/Browser_Streaming_Robot/www
Starting web server...
304 GET / (10.3.34.153) 30.29ms
200 GET /robot_control/info (10.3.34.153) 2.67ms
WebSocket
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/sockjs/tornado/transports/websocket.py", line 59, in on_message
    self.session.on_messages(msg)
  File "/usr/lib/python2.7/dist-packages/sockjs/tornado/session.py", line 420, in on_messages
    self.conn.on_message(msg)
  File "./robot_web_server.py", line 142, in on_message
    cameraStreamer.startStreaming()
  File "/home/pi/Dexter/GoPiGo/Software/Python/Examples/Browser_Streaming_Robot/camera_streamer.py", line 96, in startStreaming
    [ "/usr/local/bin/raspberry_pi_camera_streamer" ] )
  File "/usr/lib/python2.7/subprocess.py", line 710, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1335, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory
Uncaught exception in /robot_control/065/cdybftdy/websocket
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/tornado/websocket.py", line 316, in wrapper
    return callback(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/sockjs/tornado/transports/websocket.py", line 69, in on_message
    self.abort_connection()
AttributeError: 'WebSocketTransport' object has no attribute 'abort_connection'
SockJS connection closed
200 GET /robot_control/info (10.3.34.153) 2.72ms
WebSocket
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/sockjs/tornado/transports/websocket.py", line 59, in on_message
    self.session.on_messages(msg)
  File "/usr/lib/python2.7/dist-packages/sockjs/tornado/session.py", line 420, in on_messages
    self.conn.on_message(msg)
  File "./robot_web_server.py", line 142, in on_message
    cameraStreamer.startStreaming()
  File "/home/pi/Dexter/GoPiGo/Software/Python/Examples/Browser_Streaming_Robot/camera_streamer.py", line 96, in startStreaming
    [ "/usr/local/bin/raspberry_pi_camera_streamer" ] )
  File "/usr/lib/python2.7/subprocess.py", line 710, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1335, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory
Uncaught exception in /robot_control/230/igcf0dcf/websocket
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/tornado/websocket.py", line 316, in wrapper
    return callback(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/sockjs/tornado/transports/websocket.py", line 69, in on_message
    self.abort_connection()
AttributeError: 'WebSocketTransport' object has no attribute 'abort_connection'
SockJS connection closed
200 GET /robot_control/info (10.3.34.153) 2.82ms
WebSocket
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/sockjs/tornado/transports/websocket.py", line 59, in on_message
    self.session.on_messages(msg)
  File "/usr/lib/python2.7/dist-packages/sockjs/tornado/session.py", line 420, in on_messages
    self.conn.on_message(msg)
  File "./robot_web_server.py", line 142, in on_message
    cameraStreamer.startStreaming()
  File "/home/pi/Dexter/GoPiGo/Software/Python/Examples/Browser_Streaming_Robot/camera_streamer.py", line 96, in startStreaming
    [ "/usr/local/bin/raspberry_pi_camera_streamer" ] )
  File "/usr/lib/python2.7/subprocess.py", line 710, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1335, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory
Uncaught exception in /robot_control/435/7yzu13n0/websocket
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/tornado/websocket.py", line 316, in wrapper
    return callback(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/sockjs/tornado/transports/websocket.py", line 69, in on_message
    self.abort_connection()
AttributeError: 'WebSocketTransport' object has no attribute 'abort_connection'
SockJS connection closed