Update main.py

main.py

@@ -3,13 +3,11 @@ import re
 from flask import Flask, request, jsonify
 
 app = Flask(__name__)
-application = app  # Expose the WSGI callable for Gunicorn
+application = app  
 
-# Replace with your actual OpenAI API key
-openai.api_key = os.getenv("OPENAI_API_KEY")
+openai.api_key = os.environ.get("OPENAI_API_KEY")
 
-# Hardcoded secret key to validate requests
-SECRET_KEY_CONST = os.getenv("SECRET_KEY")
+SECRET_KEY_CONST = os.environ.get("SECRET_KEY")
 
 def extract_weight(text):
     """