Handling a recording using Twilio Hackpack for Heroku and Flask

app.py

@app.route('/voice', methods=['POST'])
def voice():
    response = twiml.Response()
    response.record(action="/recordingHandler")
    return str(response)


@app.route('/recordingHandler', methods=['POST'])
def recordingHandler():
    recording_url = request.form['RecordingUrl']
    # Do something with it below
    # ...