Update app.py

app.py

@@ -1,8 +1,9 @@
 from flask import Flask, request, jsonify
 from typing import Dict, Any
 import openai
+import os
 
-openai.api_key = "YOUR_API_KEY"
+openai.api_key = os.environ.get("OPENAI_API_KEY")
 
 def submit_message(user_token, prompt, prompt_template, temperature, max_tokens, state):
     history = state['messages']