From 830cd78f1343e86a630058fda9ba4eb7eeb8d28a Mon Sep 17 00:00:00 2001
From: Craig Warren <craig_warren@me.com>
Date: Fri, 6 May 2016 12:25:18 +0100
Subject: [PATCH] Changed to new-style classes.

---
 gprMax/utilities.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gprMax/utilities.py b/gprMax/utilities.py
index a6a1a28c..5c9c42cb 100644
--- a/gprMax/utilities.py
+++ b/gprMax/utilities.py
@@ -21,7 +21,7 @@ import decimal as d
 from pyfiglet import Figlet
 
 
-class ListStream:
+class ListStream(object):
     """A list can be streamed into. Required when temporarily redirecting stdio to capture output from users Python code blocks."""
     
     def __init__(self):