$ sudo apt-get update
$ sudo apt-get install bzr-fastimport 

bzr-fastimport is installed in your system.

Make ensure the bzr-fastimport package were installed using the commands given below,

$ sudo dpkg-query -l | grep bzr-fastimport *

You will get with bzr-fastimport package name, version, architecture and description in a table

bzr-fastimport package basic information: