$ sudo apt-get update
$ sudo apt-get install dpsyco-lib 

dpsyco-lib is installed in your system.

Make ensure the dpsyco-lib package were installed using the commands given below,

$ sudo dpkg-query -l | grep dpsyco-lib *

You will get with dpsyco-lib package name, version, architecture and description in a table

dpsyco-lib package basic information: