From 99417bcb7641f6e95d9228f32b0d6d3c90636457 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Mon, 20 Feb 2012 14:38:58 +0000
Subject: raise error on boolean compare of polynomials

---
(limited to 'TurtleArt')

diff --git a/TurtleArt/tabasics.py b/TurtleArt/tabasics.py
index 5a158b3..fee1b12 100644
--- a/TurtleArt/tabasics.py
+++ b/TurtleArt/tabasics.py
@@ -1173,6 +1173,8 @@ variable'))
 
     def _prim_less(self, x, y):
         """ Compare numbers and strings """
+        if type(x) == list or type(y) == list:
+            raise logoerror("#syntaxerror")
         try:
             return float(x) < float(y)
         except ValueError:
--
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