(self, other)
| 1150 | return self |
| 1151 | |
| 1152 | def __or__(self, other): |
| 1153 | if not isinstance(other, _collections_abc.Mapping): |
| 1154 | return NotImplemented |
| 1155 | m = self.copy() |
| 1156 | m.maps[0].update(other) |
| 1157 | return m |
| 1158 | |
| 1159 | def __ror__(self, other): |
| 1160 | if not isinstance(other, _collections_abc.Mapping): |