Unhandled error in Deferred:
Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/twisted/web/client.py", line 118, in connectionLost
    self.factory.noPage(reason)
  File "/usr/lib/python2.4/site-packages/twisted/web/client.py", line 274, in noPage
    self.deferred.errback(reason)
  File "/usr/lib/python2.4/site-packages/twisted/internet/defer.py", line 251, in errback
    self._startRunCallbacks(fail)
  File "/usr/lib/python2.4/site-packages/twisted/internet/defer.py", line 294, in _startRunCallbacks
    self._runCallbacks()
--- <exception caught here> ---
  File "/usr/lib/python2.4/site-packages/twisted/internet/defer.py", line 307, in _runCallbacks
    self.result = callback(self.result, *args, **kw)
  File "/home/phil/devel/coherence/coherence/upnp/core/action.py", line 102, in got_results
    for arg_name, value in results._asdict().items():
exceptions.AttributeError: 'NoneType' object has no attribute '_asdict'