code: def _add_numeric_methods_add_sub_disabled(cls):
          
          cls.__add__ = make_invalid_op('__add__')
          cls.__radd__ = make_invalid_op('__radd__')
          cls.__iadd__ = make_invalid_op('__iadd__')
          cls.__sub__ = make_invalid_op('__sub__')
          cls.__rsub__ = make_invalid_op('__rsub__')
          cls.__isub__ = make_invalid_op('__isub__')
docs: Add in the numeric add/sub methods to disable.