Update app.py

app.py

@@ -1,5 +1,8 @@
 import gradio as gr
 import os
+api_token = os.getenv("HF_TOKEN")
+
+from langchain_community.vectorstores import FAISS
 from langchain_community.document_loaders import PyPDFLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain_community.vectorstores import Chroma
@@ -9,27 +12,7 @@ from langchain_community.llms import HuggingFacePipeline
 from langchain.chains import ConversationChain
 from langchain.memory import ConversationBufferMemory
 from langchain_community.llms import HuggingFaceEndpoint
-from huggingface_hub import login
-
-from pathlib import Path
-import chromadb
-from unidecode import unidecode
-
-from transformers import AutoTokenizer
-import transformers
 import torch
-import tqdm 
-import accelerate
-import re
-
-from io import StringIO
-from typing import Any, Callable, List, Optional
-
-import pandas as pd
-
-# Obtenha o token da variável de ambiente
-api_token = os.getenv("HF_TOKEN")
-
 
 list_llm = ["meta-llama/Meta-Llama-3-8B-Instruct", "mistralai/Mistral-7B-Instruct-v0.3"]  
 list_llm_simple = [os.path.basename(llm) for llm in list_llm]