code: def test_dispatcher__no_match() -> None:
      test_fn = get_test_fn()
  
      with pytest.raises(NotImplementedError):
          test_fn(3, "foo")
  
      assert None is test_fn.dispatch(int, str)
  
      with pytest.raises(NotImplementedError):
          test_fn.dispatch_or_raise(int, str)
  
file_path: GPflow/tests/gpflow/utilities/test_multipledispatch.py
imports: import re
  import warnings
  from typing import Any, Type
  import multipledispatch
  import pytest
  import tensorflow
  from _pytest.capture import CaptureFixture
  from packaging.version import Version
  import gpflow
  from gpflow.utilities import Dispatcher
label_desc: Use image node_id 3 for calling a global function with example usage: test_dispatcher__no_match() without return types