error executing script with OmniORB 3.3 Ubuntu 11.04 Server

edward@pituba:~/projects/byghis-Infrastructure-Deployment-Engine-d4c9420/src/services$ python2.6 resource_manager_client.py
Traceback (most recent call last):
  File "resource_manager_client.py", line 37, in <module>
    reservation_info = iobj.run_instances(1,policies_new_instance)
  File "/home/edward/projects/byghis-Infrastructure-Deployment-Engine-d4c9420/src/services/resource_manager_idl.py", line 445, in run_instances
    return _omnipy.invoke(self, "run_instances", _0_ResourceManager.Instance._d_run_instances, args)
omniORB.CORBA.BAD_PARAM: CORBA.BAD_PARAM(omniORB.BAD_PARAM_WrongPythonType, CORBA.COMPLETED_MAYBE)
edward@pituba:~/projects/byghis-Infrastructure-Deployment-Engine-d4c9420/src/services$