Updated openstack/openstack
Project: openstack/heat  29cddb90362edd1504ede73e446343db79318bd1
null
Clean up useless ex variable

When handle exception, if the exception was not used, then there is
no need to use "except Exception as ex", just using "except ValueError"
is good enough.

Change-Id: I495e239cbca20246cb88da166a80bbd4eda1a094
Updated openstack/openstack
Project: openstack/python-swiftclient  b0f794800ce3545d2295caf79cb2d9badd4676dc
null
Don't crash when header is value of None

Before commit 7d88d14d (http://git.io/hhJWdQ) swifclient used to accept
header value with the type None :

{'Headers': None}

It would just be happy with it with those None headers and not process
them, reinstate the old behavior.

Closes-Bug: 1256441
Change-Id: Ic7f80c38ef2ce9ef1687ed0d6d65521f2e754905