from sqlalchemy import create_engine from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import sessionmaker SQLALCHEMY_DATABASE_URL = "sqlite:///./sql_app.db" engine = create_engine( SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}, echo=True ) SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) Base = declarative_base()