Import Error in openstack_amqp_init.py

[omarsattar]

Hi,
I have zenoss 4.2.5 installed with OpenstackInfrastructure Zenpack installed . When i run openstack_amqp_config script to enable ceilomemeter get following error. Please guide.
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Traceback (most recent call last):
File "/opt/zenoss/ZenPacks/ZenPacks.zenoss.OpenStackInfrastructure-2.4.1.egg/ZenPacks/zenoss/OpenStackInfrastructure/openstack_amqp_init.py", line 23, in
import transaction
ImportError: No module named transaction
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