From e6ba31937adf2a3b3fdce9f6e51deb16d6de33f4 Mon Sep 17 00:00:00 2001
From: Peter Bieringer <pb@bieringer.de>
Date: Sat, 17 Sep 2016 15:11:02 +0200
Subject: [PATCH] 3rd catch

---
 radicale/__init__.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/radicale/__init__.py b/radicale/__init__.py
index c5266e8..49cecfb 100644
--- a/radicale/__init__.py
+++ b/radicale/__init__.py
@@ -244,6 +244,8 @@ class Application:
         read_allowed_items = []
         write_allowed_items = []
         for item in items:
+            if not item:
+                continue
             if isinstance(item, self.Collection):
                 path = item.path
             else: