Get a single model from the server.

        Args:
            model (string): The class as a string.
            model_id (string): The integer ID as a string.

        Returns:
            :class:`cinder_data.model.CinderModel`: A instance of the model.

def get_model(self, model, model_id):
        """Get a single model from the server.

        Args:
            model (string): The class as a string.
            model_id (string): The integer ID as a string.

        Returns:
            :class:`cinder_data.model.CinderModel`: A instance of the model.
        """
        return self._store.find_record(self._get_model_class(model), int(model_id))