key

bill.py

@@ -4,6 +4,15 @@ import os
 import json
 import streamlit as st
 from openai import OpenAI
+from dotenv import load_dotenv
+
+# Load environment variables from .env file
+load_dotenv()
+
+# Get the OpenAI API key from environment variables
+api_key = os.getenv("OPENAI_API_KEY")
+if not api_key:
+    raise ValueError("The OPENAI_API_KEY environment variable is not set.")
 
 client = OpenAI()