'List the default quota set for a tenant.'

def show_default_quota_set(self, tenant_id):

    url = ('os-quota-sets/%s/defaults' % tenant_id)
    (resp, body) = self.get(url)
    body = json.loads(body)
    self.validate_response(schema.get_quota_set, resp, body)
    return rest_client.ResponseBody(resp, body)
