Update app/main.py

app/main.py

@@ -6,7 +6,7 @@ import sys
 from pathlib import Path
 from flask import Flask, request, redirect
 from twilio.twiml.messaging_response import MessagingResponse
-from langchain.embeddings import OpenAIEmbeddings
+from langchain_openai import OpenAIEmbeddings
 from langchain_community.vectorstores import Chroma
 from helper import retrieve_relevant_context, generate_response_with_context
 from pyngrok import ngrok
@@ -99,6 +99,9 @@ def incoming_sms():
     return str(resp)
 
 if __name__ == "__main__":
+    # Set NGROK_HOME to a writable directory
+    os.environ["NGROK_HOME"] = str(parent / 'ngrok')
+
     # Start ngrok tunnel
     ngrok_tunnel = ngrok.connect(5000)
     print(f"ngrok tunnel 'http' URL: {ngrok_tunnel.public_url}")