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

python-hplefthandclient is installed in your system.

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

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

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

python-hplefthandclient package basic information: