sudo python power.py
 * Running on http://0.0.0.0:81/
 * Restarting with reloader
192.168.9.143 - - [01/Apr/2014 15:37:01] "GET / HTTP/1.1" 404 -
192.168.9.143 - - [01/Apr/2014 15:37:01] "GET /favicon.ico HTTP/1.1" 404 -
192.168.9.143 - - [01/Apr/2014 15:41:33] "POST /API/v1.0/power-on/0 HTTP/1.1" 500 -
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1836, in __call__
    return self.wsgi_app(environ, start_response)
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1820, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1403, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1461, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/FlaskTesting/power.py", line 17, in powerOnDevice
    device = devices[deviceId]
TypeError: list indices must be integers, not unicode