Mentioning "six" library

more.asciidoc

@@ -218,6 +218,7 @@ See:
 
 See:
 
+- http://pythonhosted.org/six/["Six" library]
 - http://lucumr.pocoo.org/2013/5/21/porting-to-python-3-redux/[Porting to Python 3 Redux by Armin]
 - http://pydanny.com/experiences-with-django-python3.html[Python 3 experience by PyDanny]
 - https://docs.djangoproject.com/en/dev/topics/python3/[Official Django Guide to Porting to Python 3]