问Viber Bot没有启动

EN

* Curl_http_done: called premature == 0
* Connection #0 to host chatapi.viber.com left intact
{"status":1,"status_message":"Result[HttpRequest[POST / HTTP/1.1]@3f742f36 > HttpResponse[HTTP/1.1 500 INTERNAL SERVER ERROR]@16f0ed02] null","chat_hostname":"SN-CHAT-01_"}

Method Not Allowed

The method is not allowed for the requested URL.

from flask import Flask, request, Response

from viberbot import Api
from viberbot.api.bot_configuration import BotConfiguration
from viberbot.api.messages import KeyboardMessage
from viberbot.api.messages.text_message import TextMessage
import logging

from viberbot.api.viber_requests import ViberFailedRequest
from viberbot.api.viber_requests import ViberMessageRequest
from viberbot.api.viber_requests import ViberSubscribedRequest

from keyboard import keyboard_menu

logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
handler = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)

app = Flask(__name__)
viber = Api(BotConfiguration(
    name='name',
    avatar='https://upload.wikimedia.org/wikipedia/commons/9/9a/Gull_portrait_ca_usa.jpg',
    auth_token='token'
))

@app.route('/', methods=['POST'])
def incoming():
    logger.debug("received request. post data: {0}".format(request.get_data()))
    # every viber message is signed, you can verify the signature using this method
    if not viber.verify_signature(request.get_data(), request.headers.get('X-Viber-Content-Signature')):
        return Response(status=403)

    # this library supplies a simple way to receive a request object
    viber_request = viber.parse_request(request.get_data())

    if isinstance(viber_request, ViberMessageRequest):
        message = TextMessage(text="test", keyboard=keyboard_menu)
        # lets echo back
        viber.send_messages(viber_request.sender.id, [
            message
        ])

    elif isinstance(viber_request, ViberSubscribedRequest):
        viber.send_messages(viber_request.get_user.id, [
            TextMessage(text="thanks for subscribing!")
        ])
    elif isinstance(viber_request, ViberFailedRequest):
        logger.warn("client failed receiving message. failure: {0}".format(viber_request))

    return Response(status=200)

from app import app

if __name__ == "__main__":
    app.run()

curl -# -i -g -H "X-Viber-Auth-Token:token" -d @viber.json -X POST https://chatapi.viber.com/pa/set_webhook -v

{
  "url": "https://my.site.com"
}