From 9fb3ccbde8153c9524f6dff35875f240d2fe788b Mon Sep 17 00:00:00 2001
From: Raphael Michel <mail@raphaelmichel.de>
Date: Tue, 22 Mar 2016 18:03:44 +0100
Subject: [PATCH] Implemented LazyI18nString.__bool__ to return False on empty
 strings

---
 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 b183a1d97..6343c6dc7 100644
--- a/src/pretix/base/i18n.py
+++ b/src/pretix/base/i18n.py
@@ -40,6 +40,9 @@ class LazyI18nString:
         """
         return self.localize(translation.get_language())
 
+    def __bool__(self):
+        return bool(len(self.data)) and any(self.data.values())
+
     def localize(self, lng):
         if self.data is None:
             return ""