
Due to oslo.config update [1], the default argument is set to None by default. [1] http://docs.openstack.org/developer/oslo.config/api/oslo.config.cfg.html TrivialFix Change-Id: I935a9a05f1ad13810ee748b89a5ca63c189cd79d
Due to oslo.config update [1], the default argument is set to None by default. [1] http://docs.openstack.org/developer/oslo.config/api/oslo.config.cfg.html TrivialFix Change-Id: I935a9a05f1ad13810ee748b89a5ca63c189cd79d