Update app.py

app.py

@@ -1,6 +1,5 @@
 import os
 import gradio as gr
-from dotenv import load_dotenv
 from langchain.vectorstores.faiss import FAISS
 from langchain.embeddings import HuggingFaceBgeEmbeddings
 from langchain.document_loaders import PyPDFLoader
@@ -10,7 +9,6 @@ from PyPDF2 import PdfReader
 # Load environment variables
 #load_dotenv()
 
-import os
 
 # Print the current working directory
 current_directory = os.getcwd()