Openstack ImportError: No module named oslo.config [Fixed]

Error Log
---------------
ImportError: No module named oslo.config

Solution
-------------
1) 
Download http://mirror.pnl.gov/ubuntu//pool/main/o/oslo-config/python-oslo.config_1.1.0-0ubuntu1_all.deb
http://packages.ubuntu.com/raring/all/python-oslo.config/download

2)
Install python-oslo.config
#sudo dpkg -i python-oslo.config_1.1.0-0ubuntu1_all.deb

Complete Error Log
--------------------------------(.venv)saju@saju-desktop:~/openstk_manual/keystone$ sudo ./bin/keystone-manage pki_setup
Traceback (most recent call last):
  File "./bin/keystone-manage", line 17, in
    from keystone import cli
  File "/home/saju/openstk_manual/keystone/keystone/cli.py", line 22, in
    from oslo.config import cfg
ImportError: No module named oslo.config
(.venv)saju@saju-desktop:~/openstk_manual/keystone$