Build 0.8.8-3 crash

Created by: RussianNeuroMancer

Build 0.8.8-3 (latest update in PPA) is crash for me in Kubuntu 13.04 x86_64:

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/gi/overrides/GLib.py", line 629, in <lambda>
    return (lambda data: callback(*data), user_data)
  File "/opt/extras.ubuntu.com/solaar/share/solaar/lib/solaar/ui/status_icon.py", line 199, in update
    _update_image(icon)
  File "/opt/extras.ubuntu.com/solaar/share/solaar/lib/solaar/ui/status_icon.py", line 113, in _update_image
    icon.set_from_pixbuf(_icon_with_battery(battery_level, bool(battery_status)))
  File "/opt/extras.ubuntu.com/solaar/share/solaar/lib/solaar/ui/status_icon.py", line 78, in _icon_with_battery
    assert mask

Please let me know if I need to provide additional data.