From ddd48d34a05fb540f40fd81c61a25f99f0d7f741 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Fri, 15 Oct 2010 19:19:07 +0000
Subject: more rigorous connection checking to prevent crashing on reading bad project data (#2447)

---
(limited to 'TurtleArt/tautils.py')

diff --git a/TurtleArt/tautils.py b/TurtleArt/tautils.py
index 7565c4e..025c4f4 100644
--- a/TurtleArt/tautils.py
+++ b/TurtleArt/tautils.py
@@ -121,10 +121,9 @@ def _tuplify(tup):
 
 def get_id(connection):
     """ Get a connection block ID. """
-    if connection is None:
-        return None
-    return connection.id
-
+    if connection is not None and hasattr(connection, 'id'):
+        return connection.id
+    return None
 
 def json_dump(data):
     """ Save data using available JSON tools. """
--
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