def get(self, name: str) -> Optional[Union["Model", Sequence["Model"]]]:
        """
        Returns the related model/models if relation is set.
        Actual call is delegated to Relation instance registered under relation name.

        :param name: name of the relation
        :type name: str
        :return: related model or list of related models if set
        :rtype: Optional[Union[Model, List[Model]]
        """
        relation = self._relations.get(name, None)
        if relation is not None:
            return relation.get()
        return None  # pragma nocover

        Returns the related model/models if relation is set.
        Actual call is delegated to Relation instance registered under relation name.

        :param name: name of the relation
        :type name: str
        :return: related model or list of related models if set
        :rtype: Optional[Union[Model, List[Model]]
        
ormar/relations/relation_manager.py