code: def test_private_op_new():
      """An object with a private `operator new` cannot be returned by value"""
  
      with pytest.raises(RuntimeError) as excinfo:
          m.private_op_new_value()
      assert "is neither movable nor copyable" in str(excinfo.value)
  
      assert m.private_op_new_reference().value == 1
  
file_path: coremltools/deps/pybind11/tests/test_copy_move.py
imports: import pytest
  from pybind11_tests import copy_move_policies
label_desc: Use image node_id 6 for calling a global function with example usage: test_private_op_new() without return types