Update app.py

app.py

@@ -4,7 +4,7 @@ from dotenv import load_dotenv
 import os
 import re
 import json
-from helper.openai_api import chat_completion  # Ensure this import is correct
+from helper.cohere_api import chat_completion  # Ensure this import is correct
 
 # Load environment variables from .env file
 load_dotenv()