def response_status_message(status):
    """Return status code plus status text descriptive message
    """
    message = http.RESPONSES.get(int(status), "Unknown Status")
    return '%s %s' % (status, to_native_str(message))
Return status code plus status text descriptive message
    
stackoverflow/venv/lib/python3.6/site-packages/scrapy/utils/response.py