code: def registry(db, term=None):
      orgs = []
      with db.connect() as session:
          if term:
              orgs = session.query(Organization).\
                  filter(Organization.name.like('%' + term + '%')).\
                  order_by(Organization.name).all()
              if not orgs:
                  raise NotFoundError(entity=term)
          else:
              orgs = session.query(Organization).\
                  order_by(Organization.name).all()
          session.expunge_all()
      return orgs