Only six not future

setup.py

@@ -17,8 +17,7 @@ install_requires = [
     'pytz',
     'pyOpenSSL',
     'python-dateutil',
-    'six',
-    'future'
+    'six'
 ]
 
 version = ''

tests/test_30_mdstore.py

@@ -2,8 +2,8 @@
 # -*- coding: utf-8 -*-
 import datetime
 import re
-#from six.moves.urllib.parse import quote_plus
-from future.backports.urllib.parse import quote_plus
+from six.moves.urllib.parse import quote_plus
+#from future.backports.urllib.parse import quote_plus
 from saml2.config import Config
 from saml2.mdstore import MetadataStore
 from saml2.mdstore import MetaDataMDX