code: def test_kmeans2_kpp_low_dim(self):
      # Regression test for gh-11462
      prev_res = np.array([[-1.95266667, 0.898], [-3.153375, 3.3945]])
      np.random.seed(42)
      res, _ = kmeans2(TESTDATA_2D, 2, minit="++")
      assert_allclose(res, prev_res)
  
imports: import warnings
  import sys
  import numpy
  from numpy.testing import assert_array_equal, assert_array_almost_equal, assert_allclose, assert_equal, assert_, suppress_warnings
  import pytest
  from pytest import raises
  from scipy.cluster.vq import kmeans, kmeans2, py_vq, vq, whiten, ClusterError, _krandinit
  from scipy.cluster import _vq
  from scipy.sparse.sputils import matrix
label_desc: Use image node_id 13 for calling the TestKMean obj's underlying member method code with example usage: obj.test_kmeans2_kpp_low_dim() without return types