code: def test_missing_header_message():
      """Trying convert `list` to a `std::vector`, or vice versa, without including
      <pybind11/stl.h> should result in a helpful suggestion in the error message
      """
      import pybind11_cross_module_tests as cm
  
      expected_message = (
          "Did you forget to `#include <pybind11/stl.h>`? Or <pybind11/complex.h>,\n"
          "<pybind11/functional.h>, <pybind11/chrono.h>, etc. Some automatic\n"
          "conversions are optional and require extra headers to be included\n"
          "when compiling your pybind11 module."
      )
  
      with pytest.raises(TypeError) as excinfo:
          cm.missing_header_arg([1.0, 2.0, 3.0])
      assert expected_message in str(excinfo.value)
  
      with pytest.raises(TypeError) as excinfo:
          cm.missing_header_return()
      assert expected_message in str(excinfo.value)
  
imports: import pytest
  from pybind11_tests import ConstructorStats, UserType
  from pybind11_tests import stl
label_desc: Use image node_id 18 for calling a global function with example usage: test_missing_header_message() without return types