From 727e4f68293cfb5878d432d0ddb180513a7216c3 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Stefan=20K=C3=B6gl?= <stefan@skoegl.net>
Date: Sat, 4 Oct 2014 16:53:09 +0200
Subject: [PATCH] [Migration] handle Episode.listeners = None in episode
 toplist

---
 mygpo/web/templatetags/charts.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mygpo/web/templatetags/charts.py b/mygpo/web/templatetags/charts.py
index e6d667f2..2aa369f2 100644
--- a/mygpo/web/templatetags/charts.py
+++ b/mygpo/web/templatetags/charts.py
@@ -18,6 +18,9 @@ def vertical_bar(value, max_value, display=None):
     else:
         value_str = str(value)
 
+    # handle value == None
+    value = value or 0
+
     try:
         ratio = min(float(value) / float(max_value), 1) * 100
     except ValueError:
-- 
2.11.4.GIT