code: def get(cls, user_id, client_id):
          
          return cls.query.filter_by(
              user_id=user_id,
              client_id=client_id,
          ).first()
docs: Get RemoteAccount object for user.
  
          :param user_id: User id
          :param client_id: Client id.
          :returns: A :class:`invenio_oauthclient.models.RemoteAccount` instance.