An empty list of base classes wasn't allowed before Python 2.5 so
remove it since it seems to be the only Python 2.5 feature being
used.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>

Index: pungi/pypungi/__init__.py
===================================================================
--- pungi.orig/pypungi/__init__.py
+++ pungi/pypungi/__init__.py
@@ -16,7 +16,7 @@ import logging
 import os
 import subprocess
 
-class PungiBase():
+class PungiBase:
     """The base Pungi class.  Set up config items and logging here"""
 
     def __init__(self, config):

--