def get_delivery_time(self, request):
        import lfs.shipping.utils
        max_delivery_time = None
        for item in self.get_items():
            delivery_time = lfs.shipping.utils.get_product_delivery_time(request, item.product, for_cart=True)
            if (max_delivery_time is None) or (delivery_time.as_hours() > max_delivery_time.as_hours()):
                max_delivery_time = delivery_time
        return max_delivery_time
Returns the delivery time object with the maximal delivery time of all
dataset/ETHPy150Open diefenbach/django-lfs/lfs/cart/models.py/Cart.get_delivery_time