From 81f144ad589ed5d4b34c93f716129739827e2f5e Mon Sep 17 00:00:00 2001
From: tengqm <tengqim@cn.ibm.com>
Date: Tue, 3 Feb 2015 22:17:21 +0800
Subject: [PATCH] Tolerate empty dict in print_dict

---
 senlinclient/common/utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/senlinclient/common/utils.py b/senlinclient/common/utils.py
index 9728d468..6bae0fad 100644
--- a/senlinclient/common/utils.py
+++ b/senlinclient/common/utils.py
@@ -47,6 +47,8 @@ def import_versioned_module(version, submodule=None):
 
 
 def format_nested_dict(d, fields, column_names):
+    if d is None:
+        return ''
     pt = prettytable.PrettyTable(caching=False, print_empty=False,
                                  header=True, field_names=column_names)
     for n in column_names: