$ sudo apt-get update
$ sudo apt-get install python-stsci.distutils 

python-stsci.distutils is installed in your system.

Make ensure the python-stsci.distutils package were installed using the commands given below,

$ sudo dpkg-query -l | grep python-stsci.distutils *

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

python-stsci.distutils package basic information: