diff --git a/nova/log.py b/nova/log.py
index 70719e95bd5c..b541488bdcdd 100644
--- a/nova/log.py
+++ b/nova/log.py
@@ -192,9 +192,11 @@ class NovaLogger(logging.Logger):
             kwargs.pop('exc_info')
             self.error(message, **kwargs)
 
+
 def handle_exception(type, value, tb):
     logging.root.critical(str(value), exc_info=(type, value, tb))
 
+
 sys.excepthook = handle_exception
 logging.setLoggerClass(NovaLogger)