(self, other)
| 42 | self.info = getattr(obj, 'info', {}).copy() |
| 43 | |
| 44 | def __add__(self, other): |
| 45 | result = super().__add__(other) |
| 46 | result.info['added'] = result.info.get('added', 0) + 1 |
| 47 | return result |
| 48 | |
| 49 | def __iadd__(self, other): |
| 50 | result = super().__iadd__(other) |