Why do I get the error AttributeError: 'module' object has no attribute 'Response' in my SMS app that interfaces with Twilio?

Question

Also in ngrok, there appears an internal server error 500 when attempting to make a post request using twilio.

Here is the section of my code where I feel there is a problem with:

from flask import Flask, request
from twilio import twiml
import wolframalpha
import wikipedia

app = Flask(__name__)

wolf = wolframalpha.Client(wolfram_app_id)


@app.route('/', methods=['POST'])
def sms():

    message_body = request.form['Body']
    resp = twiml.Response()

    replyText = getReply(message_body) 
    resp.message('Hi\n\n' + replyText )
    return str(resp)

I have updated all latest versions of ngrok, python, twilio and Flask. I also followed all the steps to activate the virtualenv.

Answer 1

Twilio developer evangelist here.

If you are using the latest version of the Twilio Python module then there is no Response method. Instead, since you are replying to a message, you need to use the MessagingResponse instead.

Try the following:

from flask import Flask, request
from twilio.twiml.messaging_response import Message, MessagingResponse
import wolframalpha
import wikipedia

app = Flask(__name__)

wolf = wolframalpha.Client(wolfram_app_id)


@app.route('/', methods=['POST'])
def sms():

    message_body = request.form['Body']
    resp = MessagingResponse()

    replyText = getReply(message_body) 
    resp.message('Hi\n\n' + replyText )
    return str(resp)