From 92fe0220eaa5cbc9e3ba3b05740365d1a8ffef92 Mon Sep 17 00:00:00 2001
From: xiaozhuangqing <zhuangqing.xiao@easystack.cn>
Date: Wed, 24 Aug 2016 12:11:35 +0800
Subject: [PATCH] conversions: remove no used local variable

source = source or {} self.source = source
can instead of self.source = source or {}
simplify and clearly the code

Change-Id: I6d00f9969cea7fd0dc4bf0510cf5d159eaf71ebf
---
 ceilometer/transformer/conversions.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/ceilometer/transformer/conversions.py b/ceilometer/transformer/conversions.py
index f4ea252e..e703d61b 100644
--- a/ceilometer/transformer/conversions.py
+++ b/ceilometer/transformer/conversions.py
@@ -40,10 +40,8 @@ class BaseConversionTransformer(transformer.TransformerBase):
                        unit and scaling factor (a missing value
                        connotes no change)
         """
-        source = source or {}
-        target = target or {}
-        self.source = source
-        self.target = target
+        self.source = source or {}
+        self.target = target or {}
         super(BaseConversionTransformer, self).__init__(**kwargs)
 
     def _map(self, s, attr):