add payment variant to set_card_token

Author: PetrDlouhy

payments/models.py

@@ -178,7 +178,7 @@ def get_renew_token(self):
         """
         raise NotImplementedError()
 
-    def set_renew_token(self, token, card_expire_year=None, card_expire_month=None):
+    def set_renew_token(self, token, variant, card_expire_year=None, card_expire_month=None):
         """
         Store the recurring payments renew token for user of this payment
         The renew token is string defined by the provider