Command-line tool for listing and querying Robot OS services - Python 3

 This package is part of Robot OS (ROS). rosservice contains the
 rosservice command-line tool for listing and querying ROS
 services. It also contains a Python library for retrieving
 information about services and dynamically invoking them. The Python
 library is experimental and is for internal-use only.
 .
 This package contains the Python 3 library.