How to use the tblib.model.session.delete function in tblib

def delete_favorite_product(id):
    """取消收藏商品
    """

    favorite_product = FavoriteProduct.query.get(id)
    if favorite_product is None:
        return json_response(ResponseCode.NOT_FOUND)
    session.delete(favorite_product)
    session.commit()

    return json_response(favorite_product=FavoriteProductSchema().dump(favorite_product))

def delete_cart_product(id):
    """删除购物车商品
    """

    cart_product = CartProduct.query.filter(CartProduct.id == id).first()
    if cart_product is None:
        return json_response(ResponseCode.NOT_FOUND)

    session.delete(cart_product)
    session.commit()

    return json_response(cart_product=CartProductSchema().dump(cart_product))

def delete_order_product(order_id, product_id):
    order_product = OrderProduct.query.filter(and_(
        OrderProduct.order_id == order_id, OrderProduct.product_id == product_id)).first()
    if order_product is None:
        return json_response(ResponseCode.NOT_FOUND)
    session.delete(order_product)
    session.commit()

    return json_response(order_product=OrderProductSchema().dump(order_product))