text: import unittest
  import pygsti
  import numpy as np
  import warnings
  import pickle
  import os
  import copy
  
  from pygsti.modelpacks.legacy import std1Q_XYI as std
  
  from ..testutils import BaseTestCase, compare_files, temp_files
  
  # This class is for unifying some models that get used in this file and in testGateSets2.py
  class ResultsEstimateTestCase(BaseTestCase):
  
      def setUp(self):
          super(ResultsEstimateTestCase, self).setUp()
  
      @unittest.skip("need to update legacyio.py")
      def test_load_old_results(self):
          #pygsti.obj.results.enable_old_python_results_unpickling()
          with pygsti.io.enable_old_object_unpickling():
              with open(compare_files + "/pygsti0.9.6.results.pkl", 'rb') as f:
                  results = pickle.load(f)
          #pygsti.obj.results.disable_old_python_results_unpickling()
          #pygsti.io.disable_old_object_unpickling()
          with open(temp_files + "/repickle_old_results.pkl", 'wb') as f:
              #pickle.dump(results.estimates['TP'].models['single'], f) # Debug
              pickle.dump(results, f)
  
          with pygsti.io.enable_old_object_unpickling("0.9.7"):
              with open(compare_files + "/pygsti0.9.7.results.pkl", 'rb') as f:
                  results = pickle.load(f)
          with open(temp_files + "/repickle_old_results.pkl", 'wb') as f:
              pickle.dump(results, f)
  
  
  
  if __name__ == '__main__':
      unittest.main(verbosity=2)
  