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

python-pypsignifit is installed in your system.

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

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

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

python-pypsignifit package basic information: