Agree to LE TOS

def register_account():
    """
    Agree to LE TOS
    """
    LOGGER.info("Registering account...")
    code, result = _send_signed_request(DEFAULT_CA + "/acme/new-reg", {
        "resource": "new-reg",
        "agreement": "https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf",
    })
    if code == 201:  # pragma: no cover
        LOGGER.info("Registered!")
    elif code == 409:  # pragma: no cover
        LOGGER.info("Already registered!")
    else:  # pragma: no cover
        raise ValueError("Error registering: {0} {1}".format(code, result))