ensemble-log causing twisted crashes

[Ahmed Kamal]

calling ensemble-log from a formula causes the following traceback

2011-04-20 18:20:37,768 unit:wordpress/0: twisted ERROR: Unhandled Error
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/twisted/internet/defer.py", line 117, in maybeDeferred
    result = f(*args, **kw)
  File "/usr/lib/python2.6/dist-packages/twisted/protocols/amp.py", line 1018, in doit
    return maybeDeferred(aCallable, **kw).addCallback(
  File "/usr/lib/python2.6/dist-packages/twisted/internet/defer.py", line 117, in maybeDeferred
    result = f(*args, **kw)
  File "/usr/lib/python2.6/dist-packages/twisted/internet/defer.py", line 944, in unwindGenerator
    return _inlineCallbacks(None, f(*args, **kwargs), Deferred())
--- <exception caught here> ---
  File "/usr/lib/python2.6/dist-packages/twisted/internet/defer.py", line 823, in _inlineCallbacks
    result = g.send(result)
  File "/usr/lib/ensemble/ensemble/ensemble/hooks/protocol.py", line 166, in log
    yield self.factory.log(level, message)
  File "/usr/lib/ensemble/ensemble/ensemble/hooks/protocol.py", line 242, in log
    self._log(level, message)
exceptions.AttributeError: Logger instance has no __call__ method

2011-04-20 18:20:37,778 unit:wordpress/0: hook.output ERROR: Traceback (most recent call last):
Failure: twisted.protocols.amp.UnknownRemoteError: Code<UNKNOWN>: Unknown Error
2011-04-20 16:20:37,769 ERROR: Traceback (most recent call last):
Failure: twisted.protocols.amp.UnknownRemoteError: Code<UNKNOWN>: Unknown Error

2011-04-20 16:20:37,769 ERROR: [Failure instance: Traceback (failure with no frames): <class 'twisted.protocols.amp.UnknownRemoteError'>: Code<UNKNOWN>: Unknown Error
]