cubicweb-skos #5582296 [rdfio] objects method crash is objects are blank nodes. [validation pending]

RDFLibRDFGraph.objects() method crash if there is a blank node (rdflib.term.BNode instance) among the found objects,

Reason: the method checks if the object's language attribute is None, but BNode instances do not have a language attribute.

priorityimportant
typebug
done in0.11.0
load left0.000
closed by#7b78a9be712b [rdfio] Fix methods for objects without language attribute
patch[rdfio] Fix methods for objects without language attribute [applied]