code: def _compute_new_cluster_centers(
      self, X: np.ndarray, assignment_indexes: np.ndarray
  ) -> np.ndarray:
      return self.cluster_centers_
  
file_path: sktime/sktime/clustering/tests/test_lloyds.py
imports: from typing import Callable
  import numpy
  import pytest
  from sklearn.model_selection import train_test_split
  from sklearn.utils import check_random_state
  from sktime.clustering.partitioning._lloyds import TimeSeriesLloyds, _forgy_center_initializer, _kmeans_plus_plus, _random_center_initializer
  from sktime.datasets import load_arrow_head
  from sktime.datatypes import convert_to
  from sktime.distances.tests._utils import create_test_distance_numpy
label_desc: Use image node_id 1 for calling the _test_class obj's underlying member method code with example usage: obj._compute_new_cluster_centers(X, assignment_indexes) and returns: self