python3-gyoto 1.4.3-1build3 (amd64 binary) in ubuntu focal

 Gyoto aims at providing a framework for computing orbits and
 ray-traced images in General relativity.
 .
 This package also includes a Gyoto plug-in allowing to write new
 Gyoto objects in the Python 3 language.
 .
 This package provides an extension for the Python 3 programming language
 exposing the Gyoto facilities. It allows using Gyoto interactively
 from the Python 3 prompt or running complex Gyoto scripts.
 .
 Producing videos requires the python3-opencv package.