Unable to locate package ros-groovy-pr2-controllers [closed]

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I am trying to get the p2os-vanderbilt set up on my raspberry pi (which has ROS groovy installed) following these instructions: ros.org wiki p2os-vanderbilt Tutorials Setup (with / but apparently my karma is not high enough to post links..)

when I type: sudo apt-get install ros-groovy-pr2-controllers

I get: Unable to locate package ros-groovy-pr2-controllers

However I was able to install ros-groovy-joystick-drivers using apt-get just fine.

Is there a repository I need to add to my apt sources?

Any help would be greatly appreciated.