From 4aeada0bfb03546f233bef75df7b02cc96176d10 Mon Sep 17 00:00:00 2001 From: Raphael Michel Date: Thu, 19 Sep 2019 08:50:21 +0200 Subject: [PATCH] Fix KeyError --- src/pretix/presale/checkoutflow.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/pretix/presale/checkoutflow.py b/src/pretix/presale/checkoutflow.py index 4429288a1..319648bd2 100644 --- a/src/pretix/presale/checkoutflow.py +++ b/src/pretix/presale/checkoutflow.py @@ -540,14 +540,14 @@ class PaymentStep(QuestionsViewMixin, CartMixin, TemplateFlowStep): if gc.currency != request.event.currency: messages.error(self.request, _("This gift card does not support this currency.")) return self.render() - if gc.pk in self.cart_session['gift_cards']: - messages.error(self.request, _("This gift card is already used for your payment.")) - return self.render() if gc.value <= Decimal("0.00"): messages.error(self.request, _("All credit on this gift card has been used.")) return self.render() if 'gift_cards' not in self.cart_session: self.cart_session['gift_cards'] = [] + elif gc.pk in self.cart_session['gift_cards']: + messages.error(self.request, _("This gift card is already used for your payment.")) + return self.render() self.cart_session['gift_cards'] = self.cart_session['gift_cards'] + [gc.pk] remainder = self._total_order_value - gc.value