From 3179c4e4aca20cdaa3daafb7cbc1204d847e2e2f Mon Sep 17 00:00:00 2001
From: Daniel Hasselrot <daniel.hasselrot@gmail.com>
Date: Tue, 6 Jul 2010 11:25:49 +0200
Subject: [PATCH] Now only removes _id if none, for real

---
 mongoengine/base.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/mongoengine/base.py b/mongoengine/base.py
index fe942b10..253c758a 100644
--- a/mongoengine/base.py
+++ b/mongoengine/base.py
@@ -414,8 +414,11 @@ class BaseDocument(object):
                 self._meta.get('allow_inheritance', True) == False):
             data['_cls'] = self._class_name
             data['_types'] = self._superclasses.keys() + [self._class_name]
-        if hasattr(self, '_id') and not data['_id']:
-            del data['_id']
+        try:
+            if not data['_id']:
+                del data['_id']
+        except KeyError:
+            pass
         return data
     
     @classmethod