code: def test_slice_constructors_explicit_optional():
      assert m.make_reversed_slice_size_t_optional() == slice(
          None, None, -1
      )
      assert m.make_reversed_slice_size_t_optional_verbose() == slice(
          None, None, -1
      )
  
file_path: coremltools/deps/pybind11/tests/test_sequences_and_iterators.py
imports: import pytest
  from pytest import approx
  from pybind11_tests import ConstructorStats
  from pybind11_tests import sequences_and_iterators
label_desc: Use image node_id 2 for calling a global function with example usage: test_slice_constructors_explicit_optional() without return types