flask-assistant | Framework for Building Virtual Assistants with Dialogflow | Chat library

I am currently working on Skypebot with help of Dialogflow and flask-assistant.I am getting trouble in sending images to the skype through flask assistant.It will work fine through the dialogflow,but it will not work with flask assistant. In Dialogflow I create an intent as 'images' and user response as 'show'.But in the result it will not show the image,only display the text as 'pythonlogo'. I am using the resp.card() method as follow to send image:

I use flask-assistant on python 3 with dilaogflow as a webhook. I looked at the official documentation and I don't find how to get the user message ("queryText" on dialogflow json request). I tried this with no success:

I am testing my raspberryPi environment with using flask-assistant, ngrok and Dialogflow. When I run Simulator after simply following Quick Start tutorial in https://flask-assistant.readthedocs.io/en/latest/quick_start.html, I got an error

"Failed to parse Dialogflow response into AppResponse because of empty speech response"

Do you have any idea what causes the error? Here is the error log.

[2018-08-19 17:56:50,006] ERROR in app: Exception on / [POST] Traceback (most recent call last): File "/home/pi/.local/lib/python3.5/site-packages/flask/app.py", line 1982, in wsgi_app response = self.full_dispatch_request() File "/home/pi/.local/lib/python3.5/site-packages/flask/app.py", line 1614, in full_dispatch_request rv = self.handle_user_exception(e) File "/home/pi/.local/lib/python3.5/site-packages/flask/app.py", line 1517, in handle_user_exception reraise(exc_type, exc_value, tb) File "/home/pi/.local/lib/python3.5/site-packages/flask/_compat.py", line 33, in reraise raise value File "/home/pi/.local/lib/python3.5/site-packages/flask/app.py", line 1612, in full_dispatch_request rv = self.dispatch_request() File "/home/pi/.local/lib/python3.5/site-packages/flask/app.py", line 1598, in dispatch_request return self.view_functionsrule.endpoint File "/usr/local/lib/python3.5/dist-packages/flask_assistant/core.py", line 285, in _flask_assitant_view_func self.intent = self.request['result']['metadata']['intentName'] KeyError: 'result' 127.0.0.1 - - [19/Aug/2018 17:56:50] "POST / HTTP/1.1" 500 -

I have a list which triggers an event but I'm not sure how to go about getting the parameters from the event.

I'm using Python for the webhook fulfillment and the flask-assistant library. This is my code:

I try to deploy my program on heroku but it just doesn't work. I am still a beginner, so it is possible that this question seems unnecessary. I'm using this framework for the first time and tried to deploy it on Heroku. This is my code:

I'm trying to make a google home assistant that just parrots back whatever a user says to it. Basically I need to capture what the user is saying, and then feed it back into a response.

I have some puzzle pieces figured out.

One is initializing the API to do queries: