@classmethod
def get(cls, project, model_id):
    """ Retrieve a specific datetime model

        If the project does not use datetime partitioning, a ClientError will occur.

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

        Returns
        -------
        model : DatetimeModel
            the model
        """
    url = 'projects/{}/datetimeModels/{}/'.format(project, model_id)
    return cls.from_location(url)
