From caee35b8f61d335ea6df18a394328c2f4ede6b16 Mon Sep 17 00:00:00 2001
From: Erin O'Connell <erinocon5@gmail.com>
Date: Tue, 5 Sep 2017 22:39:51 -0600
Subject: [PATCH] added conditional import statement dependent on python
 version

---
 pipenv/vendor/background.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pipenv/vendor/background.py b/pipenv/vendor/background.py
index fca0573a..acd90ffd 100644
--- a/pipenv/vendor/background.py
+++ b/pipenv/vendor/background.py
@@ -1,8 +1,13 @@
 #!/usr/bin/env python
 # -*- coding:utf-8 -*-
 
+import sys
 import multiprocessing
-import concurrent.futures
+
+if sys.version_info.major < 3:
+    import concurrent3.futures as concurrent
+else:
+    import concurrent27.futures as concurrent
 
 
 def default_n():