code: def test_getitem_list_of_indices(self):
      assert_array_equal(
          self.s2c[[1, 2]].sparse.toarray(), self.orig_array[:, [1, 2]]
      )
      assert_array_equal(
          self.s2c[[1]].sparse.toarray(), self.orig_array[:, [1]]
      )
  
imports: import logging
  import unittest
  import numpy
  from numpy.testing import assert_array_equal
  from scipy import sparse
  from scipy.sparse import csc_matrix
  from scipy.special import psi
  import gensim.matutils
label_desc: Use image node_id 4 for calling the TestSparse2Corpus obj's underlying member method code with example usage: obj.test_getitem_list_of_indices() without return types