Updated from global requirements

Change-Id: If2234ba7c1a1fb7ef50eed1b5feabd6ce3646d6b

Author: OpenStack Proposal Bot

requirements.txt

@@ -29,7 +29,7 @@ python-cinderclient>=1.3.1
 python-keystoneclient>=1.6.0
 python-neutronclient>=2.6.0
 python-glanceclient>=0.18.0
-requests>=2.5.2
+requests!=2.8.0,>=2.5.2
 six>=1.9.0
 stevedore>=1.5.0 # Apache-2.0
 setuptools>=16.0