Hello , I am having a CENTOS machine over tht i have installed ovirt-sdk using following command : $ git clone http://gerrit.ovirt.org/ovirt-engine-sdk <http://gerrit.ovirt.org/ovirt-engine-sdk> $ yum install -y rpm-build python-devel python-setuptools $ make rpm $ yum localinstall rpmtop/RPMS/noarch/ovirt-engine-sdk-x.y-z.noarch.rpm thn i have written one script rhevmtest.py : from ovirtsdk.api import API from ovirtsdk.xml import params import time rhevm_uri = "http://rhevm301.abc.xyz.com:8080/api" rhevm_username = &quot;admin(a)rhevm301.abc.xyz.com <mailto:admin@rhevm301.abc.xyz.com>" rhevm_password = "password" rhevmAPI = API(url=rhevm_uri, username=rhevm_username, password=rhevm_password) print "Connected to RHEVM Successful" instances = rhevmAPI.vms.list() I got following errror : $ python rhevmtest.py Connected to RHEVM Successful Traceback (most recent call last): File "romil_test.py", line 13, in <module> instances = rhevmAPI.vms.list() File "/usr/lib/python2.6/site-packages/ovirtsdk/infrastructure/brokers.py", line 6615, in list headers={"Filter":contextmanager.get('filter')}).get_vm() AttributeError: 'str' object has no attribute 'get_vm' Regards Romil Gupta