code: def test_signature_error_message(self):
      # The lambda function will be named "<lambda>", but the TypeError
      # should show the name as "func"
      def _dispatcher():
          return ()
  
      @array_function_dispatch(_dispatcher)
      def func():
          pass
  
      try:
          func._implementation(bad_arg=3)
      except TypeError as e:
          expected_exception = e
  
      try:
          func(bad_arg=3)
          raise AssertionError("must fail")
      except TypeError as exc:
          if exc.args[0].startswith("_dispatcher"):
              # We replace the qualname currently, but it used `__name__`
              # (relevant functions have the same name and qualname anyway)
              pytest.skip(
                  "Python version is not using __qualname__ for "
                  "TypeError formatting."
              )
  
          assert exc.args == expected_exception.args
  
imports: import inspect
  import sys
  import os
  import tempfile
  from io import StringIO
  from unittest import mock
  import pickle
  import pytest
  import numpy
  from numpy.testing import assert_, assert_equal, assert_raises, assert_raises_regex
  from numpy._core.overrides import _get_implementing_args, array_function_dispatch, verify_matching_signatures
label_desc: Use image node_id 5 for calling the TestArrayFunctionImplementation obj's underlying member method code with example usage: obj.test_signature_error_message() and returns: 