from typing import List from sqlalchemy import String from sqlalchemy.orm import Mapped, mapped_column, relationship from app.domain.models.base import RootTable class University(RootTable): __tablename__ = 'universities' title: Mapped[str] = mapped_column(String(300), nullable=False) educations: Mapped[List['ApplicantEducation']] = relationship('ApplicantEducation', back_populates='university')