small update

functions.py

@@ -9,6 +9,10 @@ from qdrant_client.http.models import Distance, VectorParams
 from langchain.prompts import ChatPromptTemplate
 import tiktoken
 import os
+from dotenv import load_dotenv
+
+# Load environment variables from .env file
+load_dotenv()
 
 ### SETUP FUNCTIONS ###
 def tiktoken_len(text):