use codec for encoding issue when opening file - issue #87

Author: Guillaume Lemaitre

setup.py

@@ -3,6 +3,7 @@
 
 import sys
 import os
+import codecs
 
 from setuptools import setup, find_packages
 
@@ -14,7 +15,8 @@ def load_version():
     # load all vars into globals, otherwise
     #   the later function call using global vars doesn't work.
     globals_dict = {}
-    with open(os.path.join('imblearn', 'version.py')) as fp:
+    with codecs.open(os.path.join('imblearn', 'version.py'),
+                     encoding='utf-8-sig') as fp:
         exec(fp.read(), globals_dict)
 
     return globals_dict