python3-ontospy 1.9.8.3~dfsg-1 (amd64 binary) in ubuntu focal

 Ontospy is a lightweight Python library and command line tool
 for inspecting and visualizing vocabularies
 encoded using W3C Semantic Web standards,
 that is, RDF or any of its dialects (RDFS, OWL, SKOS).
 .
 Ontospy can be used to generate HTML documentation
 for an ontology pretty easily.
 .
 This package provides the Ontospy library for Python 3.