From 0f9ec2ce7db98848db53ebb014e16ee95a2f0c0d Mon Sep 17 00:00:00 2001
From: Raphael Michel <mail@raphaelmichel.de>
Date: Thu, 9 Jul 2020 14:56:46 +0200
Subject: [PATCH] Fix ZeroDivisionError in question statistics

---
 src/pretix/control/views/item.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pretix/control/views/item.py b/src/pretix/control/views/item.py
index 93c39e3bcd..d7e7e1959f 100644
--- a/src/pretix/control/views/item.py
+++ b/src/pretix/control/views/item.py
@@ -566,7 +566,7 @@ class QuestionView(EventPermissionRequiredMixin, QuestionMixin, ChartContainingV
         r = list(qs)
         total = sum(a['count'] for a in r)
         for a in r:
-            a['percentage'] = a['count'] / total * 100.
+            a['percentage'] = (a['count'] / total * 100.) if total else 0
         return r
 
     def get_context_data(self, **kwargs):