code: def test_error_after_conversions():
      with pytest.raises(TypeError) as exc_info:
          m.test_error_after_conversions("hello")
      assert str(exc_info.value).startswith(
          "Unable to convert function return value to a Python type!"
      )
  
imports: import pytest
  import env
  from pybind11_tests import ConstructorStats, UserType
  from pybind11_tests import class_
label_desc: Use image node_id 24 for calling a global function with example usage: test_error_after_conversions() without return types