abrt 1.1.1 detected a crash.

architecture: i686
cmdline: /usr/bin/python /usr/bin/upnp-inspector
component: upnp-inspector
executable: /usr/bin/upnp-inspector
kernel: 2.6.33.5-124.fc13.i686.PAE
package: upnp-inspector-0.2.2-2.fc13
reason: mediarenderer.py:527:get_position:AttributeError: 'NoneType' object has no attribute 'call'
release: Fedora release 13 (Goddard)

backtrace
-----
mediarenderer.py:527:get_position:AttributeError: 'NoneType' object has no attribute 'call'

Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/upnp_inspector/devices.py", line 438, in mediarenderer_control
    ui = MediaRendererWidget(self.coherence,device)
  File "/usr/lib/python2.6/site-packages/upnp_inspector/mediarenderer.py", line 166, in __init__
    self.get_position()
  File "/usr/lib/python2.6/site-packages/upnp_inspector/mediarenderer.py", line 527, in get_position
    d = action.call(InstanceID=0)
AttributeError: 'NoneType' object has no attribute 'call'

Local variables in innermost frame:
action: None
self: <upnp_inspector.mediarenderer.MediaRendererWidget object at 0xa1737cc>
handle_result: <function handle_result at 0xa5273ac>
service: Service urn:schemas-upnp-org:service:AVTransport:2 urn:upnp-org:serviceId:AVTransport