code: def test_init_from_y(self):
      X, y = self.Xy
      tsne = MulticoreTSNE(n_iter=500)
      E = tsne.fit_transform(X)
  
      tsne = MulticoreTSNE(n_iter=0, init=E)
      E2 = tsne.fit_transform(X)
      np.testing.assert_allclose(E, E2)
  
      tsne = MulticoreTSNE(n_iter=1, init=E)
      E2 = tsne.fit_transform(X)
      mean_diff = np.abs((E - E2).sum(1)).mean()
      self.assertLess(mean_diff, 30)
  
file_path: Multicore-TSNE/MulticoreTSNE/tests/test_base.py
imports: import unittest
  from functools import partial
  import numpy
  from sklearn.datasets import make_blobs
  from sklearn.metrics import pairwise_distances
  from MulticoreTSNE import MulticoreTSNE
label_desc: Use image node_id 6 for calling the TestMulticoreTSNE obj's underlying member method code with example usage: obj.test_init_from_y() without return types