Fix obscure bug in biopax processor
Fix obscure bug in biopax processor

johnbachman/indra,sorgerlab/belpy,pvtodorov/indra,johnbachman/belpy,pvtodorov/indra,sorgerlab/indra,johnbachman/indra,johnbachman/indra,sorgerlab/indra,pvtodorov/indra,johnbachman/belpy,bgyori/indra,bgyori/indra,sorgerlab/indra,sorgerlab/belpy,sorgerlab/belpy,bgyori/indra,johnbachman/belpy,pvtodorov/indra