From b3aea0ef352084f4fee8bcba7cfc32beb8fd0565 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@0d.be>
Date: Tue, 17 May 2016 13:22:46 +0200
Subject: [PATCH] don't break if polgroups are not set

---
 tabellio/searchform/form.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tabellio/searchform/form.py b/tabellio/searchform/form.py
index 7697a11..27c69a1 100644
--- a/tabellio/searchform/form.py
+++ b/tabellio/searchform/form.py
@@ -294,6 +294,8 @@ def possible_sessions(context):
 def possible_polgroups(context):
     current = getToolByName(context, 'portal_url').getPortalObject()
     settings = component.getUtility(IRegistry).forInterface(ITabellioSettings, False)
+    if not settings.polgroupsPath:
+        return SimpleVocabulary([])
     for part in settings.polgroupsPath.split('/'):
         if not part:
              continue