Binary package “python3-rosnode” in ubuntu cosmic

Tool for displaying debug information about Robot OS - Python 3

 This package is part of Robot OS (ROS). rosnode is a command-line
 tool for displaying debug information about ROS Nodes, including
 publications, subscriptions and connections. It also contains an
 experimental library for retrieving node information. This library is
 intended for internal use only.
 .
 This package contains the Python 3 library.