Update app.py

app.py

@@ -1,12 +1,13 @@
-from fastapi import FastAPI
-from fastapi.responses import HTMLResponse
-from fastapi.staticfiles import StaticFiles
+from dotenv import load_dotenv
+import gradio as gr
+import os
 from llama_index.core import StorageContext, load_index_from_storage, VectorStoreIndex, SimpleDirectoryReader, ChatPromptTemplate, Settings
 from llama_index.llms.huggingface import HuggingFaceInferenceAPI
 from llama_index.embeddings.huggingface import HuggingFaceEmbedding
-import os
+from sentence_transformers import SentenceTransformer
 import datetime
-from dotenv import load_dotenv
+import uuid
+import random
 
 # Load environment variables
 load_dotenv()