pylint: fix old-style-class

Reviewed-By: Tomas Krizek <tkrizek@redhat.com>
Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>

ipapython/config.py

@@ -126,7 +126,8 @@ def verify_args(parser, args, needed_args = None):
     elif len_have < len_need:
         parser.error("no %s specified" % needed_list[len_have])
 
-class IPAConfig:
+
+class IPAConfig(object):
     def __init__(self):
         self.default_realm = None
         self.default_server = []

ipapython/graph.py

@@ -3,7 +3,7 @@
 #
 
 
-class Graph():
+class Graph(object):
     """
     Simple oriented graph structure
 

ipapython/sysrestore.py

@@ -42,7 +42,8 @@ SYSRESTORE_PATH = paths.TMP
 SYSRESTORE_INDEXFILE = "sysrestore.index"
 SYSRESTORE_STATEFILE = "sysrestore.state"
 
-class FileStore:
+
+class FileStore(object):
     """Class for handling backup and restore of files"""
 
     def __init__(self, path = SYSRESTORE_PATH, index_file = SYSRESTORE_INDEXFILE):
@@ -290,7 +291,8 @@ class FileStore:
 
         return True
 
-class StateFile:
+
+class StateFile(object):
     """A metadata file for recording system state which can
     be backed up and later restored.
     StateFile gets reloaded every time to prevent loss of information