Update tools.py

tools.py

@@ -1,23 +1,14 @@
-import io
-import os
-from openai import OpenAI
-from langchain.tools import StructuredTool, Tool
-from io import BytesIO
-import requests
-import json
-from io import BytesIO
-
-import chainlit as cl
-
-
 import os
 import openai
+from langchain.chains.question_answering import load_qa_chain
 from langchain.chat_models import ChatOpenAI
+from langchain.document_loaders import UnstructuredPDFLoader
 from langchain.embeddings.openai import OpenAIEmbeddings
-from langchain.vectorstores import Chroma
-from langchain.chains.question_answering import load_qa_chain
 from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.document_loaders import UnstructuredPDFLoader
+from langchain.tools import Tool
+from langchain.vectorstores import Chroma
+
+import chainlit as cl
 
 # OpenAI API Key Setup
 openai.api_key = os.environ["OPENAI_API_KEY"]