@classmethod
def get(cls, project_id, model_id):
    """ Retrieve a specific rating table model

        If the project does not have a rating table, a ClientError will occur.

        Parameters
        ----------
        project_id : str
            the id of the project the model belongs to
        model_id : str
            the id of the model to retrieve

        Returns
        -------
        model : RatingTableModel
            the model
        """
    url = 'projects/{}/ratingTableModels/{}/'.format(project_id, model_id)
    return cls.from_location(url)
