Only install ipaddress if python version < 3.3felixonmars-backports

Signed-off-by: Joffrey F <joffrey@docker.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/setup.py b/setup.py
index 57afd8b..fac5129 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 import os
-import sys
 from setuptools import setup
 
 ROOT_DIR = os.path.dirname(__file__)
@@ -14,7 +13,7 @@ requirements = [
 
 extras_require = {
     ':python_version < "3.5"': 'backports.ssl_match_hostname >= 3.5',
-    ':python_version < "3.5"': 'ipaddress',
+    ':python_version < "3.3"': 'ipaddress >= 1.0.16',
 }
 
 exec(open('docker/version.py').read())