From dedc6436e52be7f5e71b0b1adc060befc2bf0fe3 Mon Sep 17 00:00:00 2001
From: gord chung <gord@live.ca>
Date: Fri, 7 Jul 2017 11:38:39 -0400
Subject: [PATCH] explicitly note sanitize_timestamp return condition

we shouldn't use sanitize_timestamp as it strips the timezone info.
it's really only useful on query filtering since we store in utc.

Change-Id: I6419bea62d139574dfa9e949bba4cdf8931803e7
Related-Bug: #1483564
---
 ceilometer/utils.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ceilometer/utils.py b/ceilometer/utils.py
index 475179314a..26bbad8d67 100644
--- a/ceilometer/utils.py
+++ b/ceilometer/utils.py
@@ -138,7 +138,10 @@ def decimal_to_dt(dec):
 
 
 def sanitize_timestamp(timestamp):
-    """Return a naive utc datetime object."""
+    """Return a naive utc datetime object.
+
+    :returns: a timezone unaware timestamp
+    """
     if not timestamp:
         return timestamp
     if not isinstance(timestamp, datetime.datetime):