code: def _get_record(self, model_class, record_id):
          
          url = '{host}/{namespace}/{model}/{id}'.format(
              host=self._host,
              namespace=self._namespace,
              model=self._translate_name(model_class.__name__),
              id=record_id
          )
          data = self._get_json(url)['data']
          fresh_model = model_class(data['attributes'])
          fresh_model.id = data['id']
          fresh_model.validate()
          if self._cache is not None:
              self._cache.set_record(model_class.__name__, fresh_model.id, fresh_model)
          return fresh_model
docs: Get a single record from the API.
  
          Args:
              model_class (:class:`cinder_data.model.CinderModel`): A subclass of
                  :class:`cinder_data.model.CinderModel` of your chosen model.
              record_id (int): The id of the record requested.
  
          Returns:
              :class:`cinder_data.model.CinderModel`: An instance of model_class or None.