From b4be22833067b226fed035c5336e43c12f89a578 Mon Sep 17 00:00:00 2001
From: Sam Brightman <sbrightman@tower-research.com>
Date: Tue, 12 Feb 2019 11:29:26 +0000
Subject: [PATCH] Constrain more_itertools for Python 2.7 compatibility

Fixes #4772, #4770.
---
 setup.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 696fc4028..b286a4f20 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,8 @@ INSTALL_REQUIRES = [
     "six>=1.10.0",
     "setuptools",
     "attrs>=17.4.0",
-    "more-itertools>=4.0.0",
+    'more-itertools>=4.0.0,<6.0.0;python_version<="2.7"',
+    'more-itertools>=4.0.0;python_version>"2.7"',
     "atomicwrites>=1.0",
     'funcsigs;python_version<"3.0"',
     'pathlib2>=2.2.0;python_version<"3.6"',