From b8de4600e0ace95a32bb26e041f1c5eea3f51798 Mon Sep 17 00:00:00 2001
From: Christophe de Vienne <cdevienne@gmail.com>
Date: Thu, 13 Sep 2012 23:07:16 +0200
Subject: [PATCH] Allow 'None' to be set on an Array attribute

---
 wsme/types.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/wsme/types.py b/wsme/types.py
index daf6b79..5735169 100644
--- a/wsme/types.py
+++ b/wsme/types.py
@@ -38,6 +38,8 @@ class ArrayType(object):
             return self._item_type
 
     def validate(self, value):
+        if value is None:
+            return
         if not isinstance(value, list):
             raise ValueError("Wrong type. Expected '[%s]', got '%s'" % (
                     self.item_type, type(value)