$ sudo apt-get update
$ sudo apt-get install python-ubuntuone-devtools 

python-ubuntuone-devtools is installed in your system.

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

$ sudo dpkg-query -l | grep python-ubuntuone-devtools *

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

python-ubuntuone-devtools package basic information: