[credit card] implement payment

uncloud_pay/admin.py

@@ -10,10 +10,8 @@ from django.core.files.temp import NamedTemporaryFile
 from django.http import FileResponse
 from django.template.loader import render_to_string
 
-
 from uncloud_pay.models import *
 
-
 class BillRecordInline(admin.TabularInline):
     model = BillRecord
 
@@ -85,8 +83,17 @@ class BillAdmin(admin.ModelAdmin):
 
 
 admin.site.register(Bill, BillAdmin)
-admin.site.register(ProductToRecurringPeriod)
 admin.site.register(Product, ProductAdmin)
 
-for m in [ Order, BillRecord, BillingAddress, RecurringPeriod, VATRate, StripeCustomer, StripeCreditCard ]:
+for m in [
+        BillRecord,
+        BillingAddress,
+        Order,
+        Payment,
+        ProductToRecurringPeriod,
+        RecurringPeriod,
+        StripeCreditCard,
+        StripeCustomer,
+        VATRate,
+]:
     admin.site.register(m)