code: def add_supporting_evidence(self, evidence_line, evidence_type=None, label=None):
          
          self.graph.addTriple(
              self.association, self.globaltt['has_supporting_evidence_line'],
              evidence_line)
          if  evidence_type is not None:
              self.model.addIndividualToGraph(evidence_line, label, evidence_type)
          return
docs: Add supporting line of evidence node to association id
  
          :param evidence_line: curie or iri, evidence line
          :param evidence_type: curie or iri, evidence type if available
          :return: None