Dajngo Oscar Buy Now

models.py

from django.db import models
from oscar.apps.basket.abstract_models import AbstractBasket
from django.utils.translation import gettext_lazy as _


class Basket(AbstractBasket):
    BUY_NOW, OPEN, MERGED, SAVED, FROZEN, SUBMITTED = (
        "Buy Now", "Open", "Merged", "Saved", "Frozen", "Submitted")

    STATUS_CHOICES = (
        (BUY_NOW, _("Buy Now")),
        (OPEN, _("Open - currently active")),
        (MERGED, _("Merged - superceded by another basket")),
        (SAVED, _("Saved - for items to be purchased later")),
        (FROZEN, _("Frozen - the basket cannot be modified")),
        (SUBMITTED, _("Submitted - has been ordered at the checkout")),
    )
    status = models.CharField(_("Status"), max_length=128,  
                              default=OPEN,
                              choices=STATUS_CHOICES)
from oscar.apps.basket.models import * # noqa isort:skip

settings.py

INSTALED_APPS = [
   ...
   "apps.basket.apps.BasketConfig", 
   ...
   ...
   # "oscar.apps.basket",  <-- Remove line
   ...
]