fix sshwsfc#330

setup.py

@@ -1,17 +1,17 @@
 #!/usr/bin/env python
+from io import open
 from setuptools import setup
-
 # version_tuple = __import__('xadmin').VERSION
 # version = ".".join([str(v) for v in version_tuple])
 
 setup(
     name='xadmin',
     version='0.6.1',
     description='Drop-in replacement of Django admin comes with lots of goodies, fully extensible with plugin support, pretty UI based on Twitter Bootstrap.',
-    long_description=open('README.rst').read(),
+    long_description=open('README.rst', encoding='utf-8').read(),
     author='sshwsfc',
     author_email='sshwsfc@gmail.com',
-    license=open('LICENSE').read(),
+    license=open('LICENSE', encoding='utf-8').read(),
     url='http://www.xadmin.io',
     download_url='http://github.com/sshwsfc/django-xadmin/archive/master.zip',
     packages=['xadmin', 'xadmin.migrations', 'xadmin.plugins', 'xadmin.templatetags', 'xadmin.views'],