While parsing Cell line ontology, I had the following errors. In fact, such errors happened when processing other ontologies as well...
* Owlready2 * WARNING:
http://purl.obolibrary.org/obo/RO_0002222 belongs to more than one entity types (e.g. Class, Property, Individual): [owl.AnnotationProperty, owl.ObjectProperty]; I'm trying to fix it...