From 5dea9349f018c7599c781522737fe97296a86693 Mon Sep 17 00:00:00 2001
From: Simon Forman <sforman@hushmail.com>
Date: Sat, 16 May 2020 10:44:35 -0700
Subject: [PATCH] Make joy/gui/controllerlistbox.py compatible with Python 3.

---
 joy/gui/controllerlistbox.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/joy/gui/controllerlistbox.py b/joy/gui/controllerlistbox.py
index e1b1a67..eabc23c 100644
--- a/joy/gui/controllerlistbox.py
+++ b/joy/gui/controllerlistbox.py
@@ -18,12 +18,15 @@
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 '''
-from Tkinter import Listbox, SINGLE
-from Tkdnd import dnd_start
+from future import standard_library
+standard_library.install_aliases()
+from builtins import map, object, str
+from tkinter import Listbox, SINGLE
+from tkinter.dnd import dnd_start
 from joy.utils.stack import iter_stack, list_to_stack, expression_to_string
 
 
-class SourceWrapper:
+class SourceWrapper(object):
     '''
     Helper object for drag and drop.
     '''