Comment 32 for bug 749084

Confirmed on Precise Pangolin. qdbusviewer says org.freedesktop.compiz is there.

$ dbus-send --print-reply --type=method_call --dest=org.freedesktop.compiz /org/freedesktop/compiz/vpscreen/screen0 org.freedesktop.compiz.list
Error org.freedesktop.DBus.Error.UnknownMethod: Method "list" with signature "" on interface "org.freedesktop.compiz" doesn't exist

$ compiz-send.py vpswitch
Traceback (most recent call last):
  File "/home/murat/bin/compiz-send.py", line 82, in <module>
    print '\n'.join(obj.list())
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 70, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.UnknownMethod: Method "list" with signature "" on interface "org.freedesktop.compiz" doesn't exist