Remove six dependency

feedgen/compat.py

@@ -0,0 +1,7 @@
+# -*- coding: utf-8 -*-
+
+import sys
+if sys.version_info[0] >= 3:
+	string_types = str
+else:
+	string_types = basestring

feedgen/entry.py

@@ -13,7 +13,7 @@ from datetime import datetime
 import dateutil.parser
 import dateutil.tz
 from feedgen.util import ensure_format
-from six import string_types
+from feedgen.compat import string_types
 
 
 class FeedEntry(object):

feedgen/feed.py

@@ -17,7 +17,7 @@ from feedgen.entry import FeedEntry
 from feedgen.util import ensure_format
 import feedgen.version
 import sys
-from six import string_types
+from feedgen.compat import string_types
 
 
 _feedgen_version = feedgen.version.version_str

setup.py

@@ -14,7 +14,7 @@ setup(
 		url = 'http://lkiesow.github.io/python-feedgen',
 		keywords = ['feed','ATOM','RSS','podcast'],
 		license = 'FreeBSD and LGPLv3+',
-		install_requires = ['lxml', 'dateutils', 'six'],
+		install_requires = ['lxml', 'dateutils'],
 		classifiers = [
 			'Development Status :: 4 - Beta',
 			'Development Status :: 5 - Production/Stable',