from sqlalchemy import create_engine from sqlalchemy.orm import DeclarativeBase from sqlalchemy.orm import sessionmaker from app.core.config import settings engine = create_engine( settings.database_url, echo=False ) SessionLocal = sessionmaker( autocommit=False, autoflush=False, bind=engine ) class Base(DeclarativeBase): pass # <<< HIER IMPORTIEREN >>> import app.models.user def get_db(): db = SessionLocal() try: yield db finally: db.close()