$ sudo apt-get update
$ sudo apt-get install elpa-python-environment 

elpa-python-environment is installed in your system.

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

$ sudo dpkg-query -l | grep elpa-python-environment *

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

elpa-python-environment package basic information: