fix invalid name for __init__.py & add unicode_literals import

disqus_static/disqus_static.py

@@ -6,6 +6,7 @@ This plugin adds a disqus_comments property to all articles.
 Comments are fetched at generation time using disqus API.
 """
 
+from __future__ import unicode_literals
 from disqusapi import DisqusAPI, Paginator
 from pelican import signals