From a1dc1d2e47593f890c0eeeb0368d92b689f0e0ea Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Sun, 24 Oct 2010 12:04:35 +0000
Subject: don't update labels before generating dictionary (triggered by turtle drag)

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

diff --git a/TurtleArt/talogo.py b/TurtleArt/talogo.py
index 97b8463..7612a9b 100644
--- a/TurtleArt/talogo.py
+++ b/TurtleArt/talogo.py
@@ -1049,7 +1049,8 @@ class LogoCode:
 
     def update_label_value(self, name, value=None):
         """ Update the label of value blocks to reflect current value """
-        if self.tw.hide or not self.tw.interactive_mode:
+        if self.tw.hide or not self.tw.interactive_mode or \
+           not hasattr(self, 'value_blocks'):
             return
         if value is None:
             for block in self.value_blocks[name]:
--
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