From b53ef744ec231c3dfa2ac8e996b61baa3d8d4000 Mon Sep 17 00:00:00 2001
From: Raphael Michel <mail@raphaelmichel.de>
Date: Sun, 14 Aug 2016 10:44:55 +0200
Subject: [PATCH] Fixed a bug in I18nFormField (thanks @JRodDynamite)

---
 src/pretix/base/i18n.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/pretix/base/i18n.py b/src/pretix/base/i18n.py
index f8db0346fe..25a11427ad 100644
--- a/src/pretix/base/i18n.py
+++ b/src/pretix/base/i18n.py
@@ -215,6 +215,9 @@ class I18nFormField(forms.MultiValueField):
         return LazyI18nString(data)
 
     def clean(self, value):
+        if isinstance(value, LazyI18nString):
+            # This happens e.g. if the field is disabled
+            return value
         found = False
         clean_data = []
         errors = []