from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column class Base(DeclarativeBase): """Base for models.""" class World(Base): __tablename__ = 'world' id: Mapped[int] = mapped_column(primary_key=True) randomnumber: Mapped[int] sa_worlds = World.__table__ class Fortune(Base): __tablename__ = 'fortune' id: Mapped[int] = mapped_column(primary_key=True) message: Mapped[str] sa_fortunes = Fortune.__table__