From bbcf0c0d492c1c319e9f5d76e5c877f80c61a0c4 Mon Sep 17 00:00:00 2001
From: Holger Brunn <hbrunn@therp.nl>
Date: Wed, 10 Sep 2014 12:21:40 +0200
Subject: [PATCH] [FIX] cope with empty ids

---
 attachment_preview/model/ir_attachment.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/attachment_preview/model/ir_attachment.py b/attachment_preview/model/ir_attachment.py
index 773367b3..90759649 100644
--- a/attachment_preview/model/ir_attachment.py
+++ b/attachment_preview/model/ir_attachment.py
@@ -34,6 +34,9 @@ class IrAttachment(Model):
                 cr, uid,
                 ids if isinstance(ids, collections.Iterable) else [ids],
                 context=context):
+            if not this.id:
+                result[this.id] = False
+                continue
             extension = ''
             if this.datas_fname:
                 filename, extension = os.path.splitext(this.datas_fname)