code: def test_second_stop_call(self):
      stopping_criterion = ClassificationChange(2)
  
      first_predictions = list_to_csr(
          [[], [0, 1], [1], [0]], shape=(4, 2)
      )
      second_predictions = list_to_csr(
          [[], [0, 1], [1], [1]], shape=(4, 2)
      )
  
      stopping_criterion.stop(predictions=first_predictions)
      stop = stopping_criterion.stop(predictions=second_predictions)
      self.assertFalse(stop)
  
      assert_csr_matrix_equal(
          second_predictions, stopping_criterion.last_predictions
      )
  
imports: import unittest
  import numpy
  from numpy.testing import assert_array_equal
  from small_text.stopping_criteria.change import ClassificationChange
  from small_text.utils.labels import list_to_csr
  from tests.utils.testing import assert_csr_matrix_equal
label_desc: Use image node_id 2 for calling the ClassificationChangeMultiLabelStopTest obj's underlying member method code with example usage: obj.test_second_stop_call() without return types