bind QB with lowercase prefix qb
@@ -348,7 +348,7 @@ class NamespaceManager(object):
self.bind("owl", OWL)
self.bind("prof", PROF)
self.bind("prov", PROV)
- self.bind("QB", QB)
+ self.bind("qb", QB)
self.bind("rdf", RDF)
self.bind("rdfs", RDFS)
self.bind("schema", SDO)
