code: def test_iterator(doc):
      assert doc(m.get_iterator) == "get_iterator() -> Iterator"
  
imports: import contextlib
  import sys
  import types
  import pytest
  import env
  from pybind11_tests import detailed_error_messages_enabled
  from pybind11_tests import pytypes
label_desc: Use image node_id 5 for calling a global function with example usage: test_iterator(doc) without return types