Update app.py

app.py

@@ -4,7 +4,7 @@ import re
 import gradio as gr
 import requests
 from duckduckgo_search import DDGS
-from typing import List
+from typing import List, Dict
 from pydantic import BaseModel, Field
 from tempfile import NamedTemporaryFile
 from langchain_community.vectorstores import FAISS
@@ -13,7 +13,6 @@ from langchain_core.documents import Document
 from langchain_community.document_loaders import PyPDFLoader
 from langchain_community.embeddings import HuggingFaceEmbeddings
 from llama_parse import LlamaParse
-from langchain_core.documents import Document
 from huggingface_hub import InferenceClient
 import inspect
 import logging