X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=plugins%2FOpenStack%2Fsingleton.py;h=12cd5a9a0839c7bed8c201c70595f779dbca4607;hb=refs%2Fchanges%2F42%2F2142%2F1;hp=2edc20bfe9891ffdd650a3e862d68a39b4f4a853;hpb=f358b4fdd006b427e5b653d467c29ae37a47406e;p=osm%2FMON.git

diff --git a/plugins/OpenStack/singleton.py b/plugins/OpenStack/singleton.py
index 2edc20b..12cd5a9 100644
--- a/plugins/OpenStack/singleton.py
+++ b/plugins/OpenStack/singleton.py
@@ -1,14 +1,17 @@
+"""Simple singleton class."""
+
 from __future__ import unicode_literals
 
 
 class Singleton(object):
-    """Simple singleton class"""
+    """Simple singleton class."""
 
     def __init__(self, decorated):
+        """Initialize singleton instance."""
         self._decorated = decorated
 
     def instance(self):
-        """Return singleton instance"""
+        """Return singleton instance."""
         try:
             return self._instance
         except AttributeError: