$ sudo apt-get update
$ sudo apt-get install python-manilaclient 

python-manilaclient is installed in your system.

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

$ sudo dpkg-query -l | grep python-manilaclient *

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

python-manilaclient package basic information: