Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/TelepathyButterfly/connection.py", line 440, in _contact_presence_update_cb
    self.PresenceUpdate({handle: (0, {presence:arguments})}) # :TODO: Timestamp ?
  File "/var/lib/python-support/python2.5/dbus/decorators.py", line 159, in emit_signal
    *args)
TypeError: long() argument must be a string or a number, not 'Handle'