code: def test_autogradother(self):
      dispatcher = PythonDispatcher()
      dispatcher.register(["CPU", "FPGA", "CompositeImplicitAutograd"])
      self.assertExpectedInline(
          dispatcher.dispatchTable(),
          """\
  
  Computed Dispatch Table
  key             kernel
  ---------------------------
  CPU             fn_CPU [kernel]
  XLA             fn_CompositeImplicitAutograd [math kernel]
  Lazy            fn_CompositeImplicitAutograd [math kernel]
  FPGA            fn_FPGA [kernel]
  AutogradOther   ambiguous_autogradother [ambiguous autogradother]
  AutogradCPU     [backend fallback]
  AutogradXLA     fn_CompositeImplicitAutograd [math kernel]
  AutogradLazy    fn_CompositeImplicitAutograd [math kernel]
  """,
      )
  
      self.assertExpectedInline(
          dispatcher.registrations(),
          """\
  
  Registered Kernels
  key             kernel
  ---------------------------
  FPGA            fn_FPGA
  CPU             fn_CPU
  CompositeImplicitAutograd[alias] fn_CompositeImplicitAutograd
  """,
      )
  
imports: import torch._C
  from torch.testing._internal.common_utils import TestCase, run_tests
  from torch._python_dispatcher import PythonDispatcher
  from collections import namedtuple
  import itertools
  import os
  import re
  import torch.utils.cpp_extension
label_desc: Use image node_id 4 for calling the TestPythonDispatcher obj's underlying member method code with example usage: obj.test_autogradother() without return types