Pass yaml kwargs to result formatter and don't print "no output_schema"
warning when --yaml flag is used (use wants machine readable format).
@@ -360,6 +360,7 @@ class ActionRunCommandMixin(object):
options = {'attributes': attr}
options['json'] = args.json
+ options['yaml'] = args.yaml
options['with_schema'] = args.with_schema
options['attribute_transform_functions'] = self.attribute_transform_functions
self.print_output(instance, formatter, **options)
