@classmethod<EOL><INDENT>def _add_comparison_methods(cls):<DEDENT>
cls.__eq__ = _make_comparison_op(operator.eq, cls)<EOL>cls.__ne__ = _make_comparison_op(operator.ne, cls)<EOL>cls.__lt__ = _make_comparison_op(operator.lt, cls)<EOL>cls.__gt__ = _make_comparison_op(operator.gt, cls)<EOL>cls.__le__ = _make_comparison_op(operator.le, cls)<EOL>cls.__ge__ = _make_comparison_op(operator.ge, cls)<EOL>
Add in comparison methods.