code: def _expand_probes(probes, defaults):
  
      '''
      Updates the probes dictionary with different levels of default values.
      '''
  
      expected_probes = {}
  
      for probe_name, probe_test in six.iteritems(probes):
          if probe_name not in expected_probes.keys():
              expected_probes[probe_name] = {}
          probe_defaults = probe_test.pop('defaults', {})
          for test_name, test_details in six.iteritems(probe_test):
              test_defaults = test_details.pop('defaults', {})
              expected_test_details = deepcopy(defaults)  # copy first the general defaults
              expected_test_details.update(probe_defaults)  # update with more specific defaults if any
              expected_test_details.update(test_defaults)  # update with the most specific defaults if possible
              expected_test_details.update(test_details)  # update with the actual config of the test
              if test_name not in expected_probes[probe_name].keys():
                  expected_probes[probe_name][test_name] = expected_test_details
  
      return expected_probef _expand_probes(probes, defaults):
  
      '''
      Updates the probes dictionary with different levels of default values.
      '''
  
      expected_probes = {}
  
      for probe_name, probe_test in six.iteritems(probes):
          if probe_name not in expected_probes.keys():
              expected_probes[probe_name] = {}
          probe_defaults = probe_test.pop('defaults', {})
          for test_name, test_details in six.iteritems(probe_test):
              test_defaults = test_details.pop('defaults', {})
              expected_test_details = deepcopy(defaults)  # copy first the general defaults
              expected_test_details.update(probe_defaults)  # update with more specific defaults if any
              expected_test_details.update(test_defaults)  # update with the most specific defaults if possible
              expected_test_details.update(test_details)  # update with the actual config of the test
              if test_name not in expected_probes[probe_name].keys():
                  expected_probes[probe_name][test_name] = expected_test_details
  
      return expected_probes
docs: Updates the probes dictionary with different levels of default values.