Update app.py

app.py

@@ -1,7 +1,6 @@
 import streamlit as st
 from llama_index.core import StorageContext, load_index_from_storage, VectorStoreIndex, SimpleDirectoryReader, ChatPromptTemplate
 from llama_index.llms.huggingface import HuggingFaceInferenceAPI
-from dotenv import load_dotenv
 from llama_index.embeddings.huggingface import HuggingFaceEmbedding
 from llama_index.core import Settings
 from youtube_transcript_api import YouTubeTranscriptApi
@@ -9,8 +8,6 @@ import shutil
 import os
 import time
 
-# Load environment variables
-load_dotenv()
 
 icons = {"assistant": "robot.png", "user": "man-kddi.png"}