Update app.py

app.py

@@ -1,20 +1,16 @@
 import gradio as gr
 from langchain.document_loaders import PyPDFLoader
+#from langchain.document_loaders import TextLoader
 #from langchain.document_loaders import UnstructuredPDFLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 #from langchain.text_splitter import CharacterTextSplitter
 from langchain.vectorstores import Pinecone
 import pinecone
 import requests
-#from langchain.prompts.chat import (ChatPromptTemplate, HumanMessagePromptTemplate, SystemMessagePromptTemplate)
 from langchain.chains.question_answering import load_qa_chain
 from langchain import PromptTemplate
 from langchain import HuggingFaceHub
 from PyPDF2 import PdfReader
-#from langchain.document_loaders import TextLoader
-#from sentence_transformers.util import semantic_search
-#import pandas as pd
-#import torch
 from pathlib import Path
 from time import sleep
 import sys
@@ -23,6 +19,9 @@ import random
 import string
 from dotenv import load_dotenv
 load_dotenv()
+#from sentence_transformers.util import semantic_search
+#import pandas as pd
+#import torch
 
 def generate_random_string(length):
     letters = string.ascii_lowercase