docs: def get(cls, id_):
          """Return a workflow object from id."""
          with db.session.no_autoflush:
              query = cls.dbmodel.query.filter_by(id=id_)
              try:
                  model = query.one()
              except NoResultFound:
                  raise WorkflowsMissingObject("No object for for id {0}".format(
                      id_
                  ))
              return cls(model)