Update database.py

database.py

@@ -8,6 +8,7 @@ SQLALCHEMY_DATABASE_URL = "sqlite:///./sql_app.db"
 engine = create_engine(
     SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}
 )
+engine.dispose()
 SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
 
 Base = declarative_base()