Javier Pena ebe02fb877 Fix _get_rate_limit when resp is None
https://review.openstack.org/332848 added retry logic for the client.
Function _get_rate_limit may receive resp=None (seen in the Sahara
unit tests), and in that case we get an exception.

Change-Id: Ibfbb10087121bae7d6f4abdd4cdb8d04d039c970
2016-07-06 18:42:30 +02:00
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