From 534403b480471617e4cf509bc085a55eadce1e49 Mon Sep 17 00:00:00 2001
From: Rob Golding <rob@robgolding.com>
Date: Fri, 9 Jan 2015 12:37:51 +0000
Subject: [PATCH] Set missing attributes back to Task._data on access

Allows appending/adding to empty lists/sets
---
 tasklib/task.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tasklib/task.py b/tasklib/task.py
index d5913af..a739d25 100644
--- a/tasklib/task.py
+++ b/tasklib/task.py
@@ -126,7 +126,10 @@ class TaskResource(SerializingObject):
         except ValueError:
             pass
 
-        return self._data.get(key) or self._deserialize(key, None)
+        if key not in self._data:
+            self._data[key] = self._deserialize(key, None)
+
+        return self._data.get(key)
 
     def __setitem__(self, key, value):
         if key in self.read_only_fields:
-- 
2.39.2