Multiple inheritance : waht does this error mean ?

[jnair at ensim.com]

I am using Python 2.4.3

>>>class K(object,list):
   ...:     pass
   ...:
------------------------------------------------------------
Traceback (most recent call last):
  File "<console>", line 1, in ?
TypeError: Error when calling the metaclass bases
    Cannot create a consistent method resolution
order (MRO) for bases object, list


Regards
Jitendra Nair