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

python-openvswitch is installed in your system.

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

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

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

python-openvswitch package basic information: