docs: def cluster_centers_(self):
          """
          Searches for or creates cluster centers for the specified clustering
          algorithm. This algorithm ensures that that the centers are
          appropriately drawn and scaled so that distance between clusters are
          maintained.
          """
          # TODO: Handle agglomerative clustering and LDA
          for attr in ('cluster_centers_',):
              try:
                  return getattr(self.estimator, attr)
              except AttributeError:
                  continue
  
          raise AttributeError(
              "could not find or make cluster_centers_ for {}".format(
              self.estimator.__class__.__name__
          ))