From 8e463c960037c395d5f8368e26e28e0b54c5565e Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Mon, 01 Jul 2013 15:02:17 +0000
Subject: fixed bug in set_color logic

---
diff --git a/TurtleArt/taturtle.py b/TurtleArt/taturtle.py
index 4432204..a22cab6 100644
--- a/TurtleArt/taturtle.py
+++ b/TurtleArt/taturtle.py
@@ -350,6 +350,8 @@ class Turtle:
                 color = COLORDICT[color][0]
             else:
                 color = self._pen_color
+        elif color is None:
+            color = self._pen_color
 
         try:
             self._pen_color = color
--
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