Try fixing broken db access

from poolpay import db

from poolpay.admin import app

from poolpay.paths import db_file

db.open(db_file)

app.run()

from sqlalchemy import Engine, create_engine

from sqlalchemy.orm import Session

from poolpay.model.Retrievable import Retrievable

session: Session | None = None

_engine: Engine | None = None

def open(db_file: Path) -> None:

    from poolpay.model.Retrievable import Retrievable

    global _engine

    _engine = create_engine(f"sqlite:///{db_file}")

    Retrievable.metadata.create_all(_engine)