clean up swagger

backend/order/urls.py

@@ -1,8 +1,7 @@
 from django.conf.urls.static import static
 from django.contrib import admin
 from django.urls import path, include
-from .views import CartItemViews, CartView, OrderlistView, CartItemClear, ApplyDiscountView, OrderGetView, SetAddressForCartView
-from .views import PaymentView, callback_view
+from .views import *
 
 urlpatterns = [
     path('all', OrderlistView.as_view(), name='order-list'),