From 8e9b9cccef520fa80a977b1cf95c1d3799c88b04 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Mon, 01 Apr 2013 17:26:19 +0000
Subject: some XO4-related changes and clean up

Summary:
some xo4 changes

fix broken sample code

fix regression due to change in taexportlogo

Test Plan: Need to test sensor capture on XO 4

Reviewers: rgs

Reviewed By: rgs

Differential Revision: http://phabricator.itevenworks.net/D3
---
(limited to 'TurtleArt')

diff --git a/TurtleArt/talogo.py b/TurtleArt/talogo.py
index d8adca6..91ae153 100644
--- a/TurtleArt/talogo.py
+++ b/TurtleArt/talogo.py
@@ -606,6 +606,8 @@ class LogoCode:
         self.clear_value_blocks()
 
     def clear_value_blocks(self):
+        if not hasattr(self, 'value_blocks_to_update'):
+            return
         for name in value_blocks:
             self.update_label_value(name)
 
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