Fix more travis tests

Author: mpcabd

setup.py

@@ -3,9 +3,10 @@
 
 from setuptools import setup
 
+import io
 import os
 
-with open("README.md", "r", encoding="utf-8") as fh:
+with io.open("README.md", "r", encoding="utf-8") as fh:
     long_description = fh.read()
 
 setup(