From 26d39efbb931e04a5e95d504c27ede12d0a81c43 Mon Sep 17 00:00:00 2001
From: Masahito Muroi <muroi.masahito@lab.ntt.co.jp>
Date: Fri, 25 Mar 2016 14:06:00 +0900
Subject: [PATCH] Allows DataSource's config field to have not dict type obj

CongressClient expects all datasource driver has dict object in
config field. It raises an error when a datasource doesn't have
any config.

This patch allows config fields to be None object.

Change-Id: I73354f1073f3f814854652eaeaa4b3bbe4bfcf7d
---

diff --git a/congressclient/common/utils.py b/congressclient/common/utils.py
index 9a381e8..b5cedd4 100644
--- a/congressclient/common/utils.py
+++ b/congressclient/common/utils.py
@@ -77,6 +77,8 @@
     :param data: a dict
     :rtype: a string formatted to {a:b, c:d}
     """
+    if not isinstance(data, dict):
+        return str(data)
     return str({str(key): str(value) for key, value in data.items()})