安装keystone执行 keystone-manage pki_setup 报错

[悠悠-我心]

环境 centeros 7
安装keystone执行 keystone-manage pki_setup --keystone-user root --keystone-group root 报错，寻找解决方法，谢谢
[root@openstack-node1 ~]# cd /usr/local/src/keystone-2014.1.5
[root@openstack-node1 keystone-2014.1.5]# python setup.py install

[root@openstack-node1 keystone-2014.1.5]# mkdir /etc/keystone
[root@openstack-node1 keystone-2014.1.5]# mkdir /var/log/keystone
[root@openstack-node1 keystone-2014.1.5]# mkdir /var/run/keystone
[root@openstack-node1 keystone-2014.1.5]# cd etc/
[root@openstack-node1 etc]# ll
total 72
-rw-rw-r--. 1 3000 3000 1540 Jun 19 2015 default_catalog.templates
-rw-rw-r--. 1 3000 3000 38424 Jun 19 2015 keystone.conf.sample
-rw-rw-r--. 1 3000 3000 3635 Jun 19 2015 keystone-paste.ini
-rw-rw-r--. 1 3000 3000 1046 Jun 19 2015 logging.conf.sample
-rw-rw-r--. 1 3000 3000 6397 Jun 19 2015 policy.json
-rw-rw-r--. 1 3000 3000 9032 Jun 19 2015 policy.v3cloudsample.json

[root@openstack-node1 etc]# cp keystone.conf.sample /etc/keystone/keystone.conf
[root@openstack-node1 etc]# cp keystone-paste.ini /etc/keystone/
[root@openstack-node1 etc]# cp logging.conf.sample /etc/keystone/logging.conf
[root@openstack-node1 etc]# cp policy.json /etc/keystone/


[root@openstack-node1 etc]# keystone-manage pki_setup --keystone-user root --keystone-group root
/usr/lib/python2.7/site-packages/keystoneclient/access.py:20: DeprecationWarning: The oslo namespace package is deprecated. Please use oslo_utils instead.
from oslo.utils import timeutils
Traceback (most recent call last):
File "/usr/bin/keystone-manage", line 37, in <module>
from keystone import cli
File "/usr/lib/python2.7/site-packages/keystone/cli.py", line 27, in <module>
from keystone import token
File "/usr/lib/python2.7/site-packages/keystone/token/__init__.py", line 17, in <module>
from keystone.token import controllers
File "/usr/lib/python2.7/site-packages/keystone/token/controllers.py", line 18, in <module>
from keystoneclient.common import cms
File "/usr/lib/python2.7/site-packages/keystoneclient/__init__.py", line 28, in <module>
from keystoneclient import client
File "/usr/lib/python2.7/site-packages/keystoneclient/client.py", line 13, in <module>
from keystoneclient import discover
File "/usr/lib/python2.7/site-packages/keystoneclient/discover.py", line 19, in <module>
from keystoneclient import session as client_session
File "/usr/lib/python2.7/site-packages/keystoneclient/session.py", line 21, in <module>
from oslo.serialization import jsonutils
ImportError: No module named serialization

应该如何解决

[业余草]

[悠悠-我心]

有没人解决方案呢？