From 21decd80eed61cf8f6d52ccf247104d2fac976eb Mon Sep 17 00:00:00 2001
From: Dima Tyzhnenko <t.dmitry@gmail.com>
Date: Tue, 22 Apr 2014 01:48:38 +0300
Subject: [PATCH] Fix wrong sign with negative zero hour timediff. Fixes #63

---
 MySQLdb/times.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/MySQLdb/times.py b/MySQLdb/times.py
index 0ff7476..3be05ec 100644
--- a/MySQLdb/times.py
+++ b/MySQLdb/times.py
@@ -70,10 +70,14 @@ def TimeDelta_or_None(s):
             ms = ms.ljust(6, '0')
         else:
             ms = 0
+        if h[0] == '-':
+            isNegative = True
+        else:
+            isNegative = False
         h, m, s, ms = int(h), int(m), int(s), int(ms)
         td = timedelta(hours=abs(h), minutes=m, seconds=s,
                        microseconds=ms)
-        if h < 0:
+        if isNegative:
             return -td
         else:
             return td