Update app.py

app.py

@@ -1,10 +1,8 @@
 import streamlit as st
 import os
 import requests
-from dotenv import load_dotenv  # Only needed if using a .env file
 import re  # To help clean up leading whitespace
 
-
 # Langchain and HuggingFace
 from langchain.vectorstores import Chroma
 from langchain_community.embeddings import HuggingFaceEmbeddings
@@ -12,7 +10,6 @@ from langchain_groq import ChatGroq
 from langchain.chains import RetrievalQA
 
 # Load the .env file (if using it)
-load_dotenv()
 groq_api_key = os.getenv("GROQ_API_KEY")
 
 # Load embeddings, model, and vector store