Method _manage_removed_state

lib/sqlalchemy/orm/identity.py:104–107

(self, state: InstanceState[Any])

            self._modified.add(state)

    def _manage_removed_state(self, state: InstanceState[Any]) -> None:
        del state._instance_dict
        if state.modified:
            self._modified.discard(state)

    def _dirty_states(self) -> Set[InstanceState[Any]]:
        return self._modified