Traceback (most recent call last):
  File "/usr/bin/lottanzb", line 3, in <module>
    from lottanzb.core import App
  File "/usr/lib/pymodules/python2.7/lottanzb/core.py", line 76, in <module>
    from lottanzb.util import (
  File "/usr/lib/pymodules/python2.7/lottanzb/util.py", line 27, in <module>
    from kiwi.utils import gsignal
  File "/usr/lib/pymodules/python2.7/kiwi/utils.py", line 78, in <module>
    class _GobjectClassInittableObject(object):
  File "/usr/lib/pymodules/python2.7/kiwi/utils.py", line 75, in __init__
    metabase.__init__(self, name, bases, namespace)
  File "/usr/lib/pymodules/python2.7/gobject/__init__.py", line 60, in __init__
    cls._type_register(cls.__dict__)
  File "/usr/lib/pymodules/python2.7/gobject/__init__.py", line 114, in _type_register
    type_register(cls, namespace.get('__gtype_name__'))
TypeError: Error when calling the metaclass bases
    argument must be a GObject subclass