(self, other)
| 522 | return self |
| 523 | |
| 524 | def __or__(self, other): |
| 525 | if isinstance(other, _collections_abc.Mapping): |
| 526 | c = self.copy() |
| 527 | c.update(other) |
| 528 | return c |
| 529 | return NotImplemented |
| 530 | |
| 531 | def __ror__(self, other): |
| 532 | if isinstance(other, _collections_abc.Mapping): |