Method warning

gunicorn/glogging.py:273–274

(self, msg, *args, **kwargs)

        self.error_log.error(msg, *args, **kwargs)

    def warning(self, msg, *args, **kwargs):
        self.error_log.warning(msg, *args, **kwargs)

    def info(self, msg, *args, **kwargs):
        self.error_log.info(msg, *args, **kwargs)