@classmethod
def detect_cloudflare(cls, res):
    if (('CF-RAY' in res.headers.keys()) or (res.headers.get(SERVER) == 'cloudflare')):
        return True
    return
@classmethod
def detect_cloudflare(cls, res):
    if (('CF-RAY' in res.headers.keys()) or (res.headers.get(SERVER) == 'cloudflare')):
        return True
    return