From: Michael Fladischer <FladischerMichael@fladi.at>
Date: Fri, 12 May 2017 20:47:00 +0200
Subject: Use io.open for Python3 support.

---
 setup.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/setup.py b/setup.py
index 7c6a685..1d4e4ec 100644
--- a/setup.py
+++ b/setup.py
@@ -1,11 +1,12 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
+import io
 from setuptools import setup
 
-with open("requirements.txt") as f:
+with io.open("requirements.txt", encoding="utf-8") as f:
     requires = f.read().splitlines()
 
-with open("README.md", encoding="utf-8") as f:
+with io.open("README.md", encoding="utf-8") as f:
     long_description = f.read()
 
 setup(
