From b2bec4aa0c05b424339e6c791997da227d0317a7 Mon Sep 17 00:00:00 2001
From: Richard Belleville <rbellevi@google.com>
Date: Tue, 12 Feb 2019 15:36:50 -0800
Subject: [PATCH] Add environment markers to python2-only dependencies

---
 setup.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/setup.py b/setup.py
index 7f58e7ca070..f533e7b77cf 100644
--- a/setup.py
+++ b/setup.py
@@ -298,12 +298,11 @@ PACKAGE_DIRECTORIES = {
 }
 
 INSTALL_REQUIRES = (
-    'six>=1.5.2',
+    "six>=1.5.2",
+    "futures>=2.2.0; python_version<'3.2'",
+    "enum34>=1.0.4; python_version<'3.4'",
 )
 
-if not PY3:
-  INSTALL_REQUIRES += ('futures>=2.2.0', 'enum34>=1.0.4')
-
 SETUP_REQUIRES = INSTALL_REQUIRES + (
     'Sphinx~=1.8.1',
     'six>=1.10',