import databases import ormar import pydantic import sqlalchemy database = databases.Database("sqlite:///db.sqlite") metadata = sqlalchemy.MetaData() class Course(ormar.Model): ormar_config = ormar.OrmarConfig( database=database, metadata=metadata, ) model_config = pydantic.ConfigDict(frozen=True) id: int = ormar.Integer(primary_key=True) name: str = ormar.String(max_length=100) completed: bool = ormar.Boolean(default=False)