code: def generate_response(self, indexes, metrics, clusters=True):
          
          if self.clusters and clusters:
              return np.rec.fromarrays(
                  (self.vocab[indexes], metrics, self.clusters.clusters[indexes]),
                  names=("word", "metric", "cluster"),
              )
          else:
              return np.rec.fromarrays((self.vocab[indexes], metrics), names=("word", "metric"))
docs: Generates a pure python (no numpy) response based on numpy arrays
          returned by `self.cosine` and `self.analogy`