From 9885f41de3c562f326ef2e7f429ac2a757009936 Mon Sep 17 00:00:00 2001
From: Michael Droettboom <mdboom@gmail.com>
Date: Fri, 20 Sep 2013 12:11:59 -0400
Subject: [PATCH] Only set `use_2to3` on Python 3.

---
 setup.py | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/setup.py b/setup.py
index 20d088801044..6c07965ae091 100644
--- a/setup.py
+++ b/setup.py
@@ -206,6 +206,14 @@
             mod.extra_compile_args.append('-DVERBOSE')
 
 
+    extra_args = {}
+    if sys.version_info[0] >= 3:
+        # Automatically 2to3 source on Python 3.x.  This isn't set on
+        # Python 2 because it's not needed, and some really old
+        # versions of distribute don't support it.
+        extra_args['use_2to3'] = True
+
+
     # Finally, pass this all along to distutils to do the heavy lifting.
     distrib = setup(name="matplotlib",
           version=__version__,
@@ -234,11 +242,10 @@
           # List third-party Python packages that we require
           install_requires=install_requires,
 
-          # Automatically 2to3 source on Python 3.x
-          use_2to3=True,
-
           # matplotlib has C/C++ extensions, so it's not zip safe.
           # Telling setuptools this prevents it from doing an automatic
           # check for zip safety.
           zip_safe=False,
+
+          **extra_args
          )