From 60f34f122ce8610e39c666ed8efd329de3d56dc7 Mon Sep 17 00:00:00 2001
From: Kiall Mac Innes <kiall@managedit.ie>
Date: Sun, 14 Oct 2012 16:22:19 +0100
Subject: [PATCH] Ensuring fitering a empty collection works

---
 moniker/schema.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/moniker/schema.py b/moniker/schema.py
index ab6d2d9ba..bc84ec9de 100644
--- a/moniker/schema.py
+++ b/moniker/schema.py
@@ -88,6 +88,9 @@ class CollectionSchema(object):
         self.item_schema = item_schema
 
     def filter(self, obj):
+        if not obj:
+            return []
+
         return [self.item_schema.filter(o) for o in obj]
 
     def raw(self):