CongressClient expects all datasource driver has dict object in config field. It raises an error when a datasource doesn't have any config. This patch allows config fields to be None object. Change-Id: I73354f1073f3f814854652eaeaa4b3bbe4bfcf7d
CongressClient expects all datasource driver has dict object in config field. It raises an error when a datasource doesn't have any config. This patch allows config fields to be None object. Change-Id: I73354f1073f3f814854652eaeaa4b3bbe4bfcf7d