class Profile(orm.Model):
    registry = models
    fields = {
        "id": orm.Integer(primary_key=True),
        "website": orm.String(max_length=100),
    }


class Person(orm.Model):
    registry = models
    fields = {
        "id": orm.Integer(primary_key=True),
        "email": orm.String(max_length=100),
        "profile": orm.OneToOne(Profile),
    }