chore: remove unused imports

shop/redsys.py

@@ -7,7 +7,7 @@ from django.conf import settings
 from django.urls import reverse
 
 from shop.exceptions import RedsysPaymentException
-from shop.models import Order, Payment
+from shop.models import Order
 from shop.settings import TransactionTypes
 from shop.utils import compute_signature, decode_b64_dict
 

shop/settings.py

@@ -226,8 +226,6 @@ CURRENCY_CODES = {
     "991": "RAND FINANCIER ZAL",
 }
 
-REVERSE_CURRENCY_CODES = {v: k for k, v in CURRENCY_CODES.items()}
-
 ERROR_CODES = {
     "10000": _("Error no tipificado"),
     "0900": _("Transacción autorizada para devoluciones y confirmaciones"),

shop/utils.py

@@ -13,7 +13,6 @@ from django.utils.text import gettext_lazy as _
 from shop.exceptions import RedsysPaymentException, RedsysValidationException
 from shop.models import (
     Cart,
-    CustomerAddress,
     Order,
     OrderLine,
     Payment,