add utility api version

Author: AlexandrosMor

Adyen/client.py

@@ -143,7 +143,7 @@ def _determine_checkout_url(self, platform, service, action,
         if action == "paymentsResult":
             action = "payment/result"
         if action == "originKeys":
-            api_version = "v1"
+            api_version = settings.CHECKOUT_UTILITY_API_VERSION
 
         return '/'.join([base_uri, api_version, action])
 

Adyen/settings.py

@@ -7,5 +7,6 @@
 BASE_CHECKOUT_URL = "https://checkout-{}.adyen.com"
 CHECKOUT_URL_LIVE_SUFFIX = "-checkout-live.adyenpayments.com/checkout"
 CHECKOUT_API_VERSION = "v40"
+CHECKOUT_UTILITY_API_VERSION = "v1"
 API_VERSION = "v30"
 API_RECURRING_VERSION = "v25"