$ sudo apt-get update
$ sudo apt-get install python-nova-adminclient 

python-nova-adminclient is installed in your system.

Make ensure the python-nova-adminclient package were installed using the commands given below,

$ sudo dpkg-query -l | grep python-nova-adminclient *

You will get with python-nova-adminclient package name, version, architecture and description in a table

python-nova-adminclient package basic information: