From ff1ce07e2685aa1edbe2f1f7daba2c5918187d49 Mon Sep 17 00:00:00 2001
From: j <0x006A@0x2620.org>
Date: Mon, 13 Feb 2012 16:50:34 +0530
Subject: [PATCH] clear empty metadata values on edit, fixes #440

---
 pandora/item/models.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pandora/item/models.py b/pandora/item/models.py
index 5bc60557..0a1a22a4 100644
--- a/pandora/item/models.py
+++ b/pandora/item/models.py
@@ -226,7 +226,11 @@ class Item(models.Model):
                 d.description = data.pop(key)
                 d.save()
         for key in data:
-            self.data[key] = data[key]
+            if data[key] == None:
+                if key in self.data:
+                    del self.data[key]
+            else:
+                self.data[key] = data[key]
         return self.save()
 
     def log(self):