From b0aa8476d7df5585a8d0b941af4de19c513990fc Mon Sep 17 00:00:00 2001
From: Alex Gaynor <alex.gaynor@gmail.com>
Date: Wed, 11 Oct 2017 23:00:29 -0400
Subject: random hack to maybe support older pips (#3970)

---
 setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'setup.py')

diff --git a/setup.py b/setup.py
index cf79b661..1fc7ea5c 100644
--- a/setup.py
+++ b/setup.py
@@ -281,7 +281,7 @@ setup(
     tests_require=test_requirements,
     extras_require={
         ":python_version < '3'": ["enum34", "ipaddress"],
-        ":python_implementation != 'PyPy'": ["cffi >= 1.7"],
+        ":platform_python_implementation != 'PyPy'": ["cffi >= 1.7"],
 
         "test": test_requirements,
         "docstest": [
-- 
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