How to use the gitlabform.configuration.Configuration function in gitlabform

def initialize_configuration_and_gitlab(self):

        try:
            gl = GitLab(self.args.config.strip())
            c = Configuration(self.args.config.strip())
            return gl, c
        except ConfigFileNotFoundException as e:
            logging.fatal('Aborting - config file not found at: %s', e)
            sys.exit(1)
        except TestRequestFailedException as e:
            logging.fatal("Aborting - GitLab test request failed, details: '%s'", e)
            sys.exit(2)