webiopi serial monitor not detecting arduino uno

[Google Code Exporter]

What steps will reproduce the problem?
1. connect arduino to raspberrypi
2. upload serial sketch to arduino uno
3. open webiopi serial monitor
...

WebIOPi version used?
=> latest

Python version used?
=> 2.7.3

Distro used? (WebIOPi has only been tested on Raspbian Wheezy)
=> Raspbian Wheezy

Raspberry Pi board revision? (1 or 2)
=> 2

For Javascript side bugs, Browser?
=> chrome, on windows xp

Please provide any additional information below.

Original issue reported on code.google.com by [e-mail] on 7 Nov 2014 at 11:21