code: def autoDiffErrorMessage(
      self,
      should_autodiff_node,
      nodes_not_in_diff_graph,
      fusion_nodes_not_found,
      non_fusible_nodes_being_fused,
      fusion_nodes_found,
      nodes_in_diff_graph,
  ):
      err_msg = "\nFailure in testing nodes' autodifferentiation. "
      if should_autodiff_node:
          err_msg += (
              "One or more nodes were expected to be autodiffed, "
              "but were not found in specified fusible/nonfusible "
              "DifferentiableGraph groups. \nSpecifically:"
          )
          # The node is intended to appear in a differentiable graph but doesn't
          diff_nodes_missing = []
          # The node is intended to appear in a differentiable graph
          # outside of a fusion group but instead is in a fusion group
          diff_nodes_in_fusion = []
          # The node is intended to appear in a fusion group but doesn't
          fusion_nodes_missing = []
          # The node is intended to appear in a fusion group but instead
          # is just in an outer differentiable graph
          fusion_nodes_in_diff = []
          for node in nodes_not_in_diff_graph:
              if node in non_fusible_nodes_being_fused:
                  diff_nodes_in_fusion.append(node)
              else:
                  diff_nodes_missing.append(node)
          for node in fusion_nodes_not_found:
              if node in nodes_in_diff_graph:
                  fusion_nodes_in_diff.append(node)
              else:
                  fusion_nodes_missing.append(node)
          if len(diff_nodes_missing) > 0:
              err_msg += (
                  f"\n  {diff_nodes_missing} were not in one of the "
                  "DifferentiableGraphs when they were expected to be. "
                  "Did you intend for these nodes to be autodiffed? "
                  "If not, remove them from the list of nonfusible nodes."
              )
          if len(diff_nodes_in_fusion) > 0:
              err_msg += (
                  f"\n  {diff_nodes_in_fusion} were found in one of the FusionGroups "
                  "when they were expected to be just in a DifferentiableGraph. If it was "
                  "intended for these nodes to be in FusionGroups, reclassify these nodes as "
                  "fusible nodes. If these nodes were not intended to be fused, your "
                  "autodifferentiation logic might be wrong."
              )
          if len(fusion_nodes_missing) > 0:
              err_msg += (
                  f"\n  {fusion_nodes_missing} were not in one of the FusionGroups "
                  "of the DifferentiableGraphs when they were expected to be. "
                  "They were also not found in an outer DifferentiableGraph. Did you "
                  "intend for these nodes to be autodifferentiated? If not, you should "
                  "remove these nodes from the test's fusible nodes. Otherwise your "
                  "autodifferentiation logic might be wrong."
              )
          if len(fusion_nodes_in_diff) > 0:
              err_msg += (
                  f"\n  {fusion_nodes_in_diff} were not in one of the FusionGroups "
                  "of the DifferentiableGraphs when they were expected to be, "
                  "instead they were found just in an outer DifferentiableGraph. "
                  "Did you intend for these nodes to be fused? If not, you should "
                  "move these nodes into the test's nonfusible nodes. Otherwise your "
                  "autodifferentiation logic might be wrong."
              )
      else:
          err_msg += (
              "One or more nodes were not expected to be autodiffed "
              "but were found in a DifferentiableGraph or in a FusionGroup "
              "of a DifferentiableGraph. Did you intend for these nodes to be "
              "autodiffed? If so, change this test to expect autodifferentiation. "
              "\nSpecifically:"
          )
          if len(fusion_nodes_found) > 0:
              err_msg += (
                  f"\n  {fusion_nodes_found} were not expected to be in "
                  "one of the DifferentiableGraphs, but appeared in a FusionGroup "
                  "of a DifferentiableGraph. "
              )
          if len(nodes_in_diff_graph) > 0:
              err_msg += (
                  f"\n  {nodes_in_diff_graph} were not expected to "
                  "be in one of the DifferentiableGraphs but were."
              )
      return err_msg
  
imports: import torch
  import torch.cuda
  import torch.jit
  import torch.jit._logging
  import torch.jit.frontend
  import torch.jit.quantized
  from torch.testing._internal.common_dtype import floating_and_complex_types_and
  from torch.testing._internal.common_utils import TestCase, freeze_rng_state, TemporaryFileName, enable_profiling_mode_for_profiling_tests, is_iterable_of_tensors
  from torch.testing._internal.common_utils import enable_profiling_mode
  from itertools import chain
  from typing import List, Union
  from torch._C import TensorType
  import io
label_desc: Use image node_id 6 for calling the JitCommonTestCase obj's underlying member method code with example usage: obj.autoDiffErrorMessage(should_autodiff_node, nodes_not_in_diff_graph, fusion_nodes_not_found, non_fusible_nodes_being_fused, fusion_nodes_found, nodes_in_diff_graph) and returns: err_msg