code: def vectors(self, failed=False):
          
          if failed not in ["all", False, True]:
              raise ValueError("{} is not a valid vector failed".format(failed))
  
          if failed == "all":
              return Vector.query.filter_by(network_id=self.id).all()
          else:
              return Vector.query.filter_by(network_id=self.id, failed=failed).all()
docs: Get vectors in the network.
  
          failed = { False, True, "all" }
          To get the vectors to/from to a specific node, see Node.vectors().