From d2e4a33719c765e528de9c22e00e30de2754d8f5 Mon Sep 17 00:00:00 2001
From: Tomas Babej <tomasbabej@gmail.com>
Date: Fri, 20 Feb 2015 12:13:31 +0100
Subject: [PATCH 1/1] SerializingObject: Have more helpful error message in
 normalize_uuid

---
 tasklib/task.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tasklib/task.py b/tasklib/task.py
index 789e4ef..0666b0f 100644
--- a/tasklib/task.py
+++ b/tasklib/task.py
@@ -243,7 +243,8 @@ class SerializingObject(object):
     def normalize_uuid(self, value):
         # Enforce sane UUID
         if not isinstance(value, six.text_type) or value == '':
-            raise ValueError("UUID must be a valid non-empty string.")
+            raise ValueError("UUID must be a valid non-empty string, "
+                             "not: {}".format(value))
 
         return value
 
-- 
2.39.5