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

python-swiftclient is installed in your system.

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

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

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

python-swiftclient package basic information: