def get_association_set(self, association_set):
        """Retrieves an association set.

        """
        check_resource_type(association_set, ASSOCIATION_SET_PATH,
                            message="An association set id is needed.")
        association_set_id = get_association_set_id(association_set)
        if association_set_id:
            return self._get((self.url, association_set_id) % "%s%s")
dataset/ETHPy150Open bigmlcom/python/bigml/associationsethandler.py/AssociationSetHandler.get_association_set/swapped operands of `%`