Update app.py

app.py

@@ -1,5 +1,4 @@
 import os
-import fitz  # PyMuPDF
 from docx import Document
 from sentence_transformers import SentenceTransformer
 from langchain_community.vectorstores import FAISS
@@ -9,6 +8,13 @@ from nltk.tokenize import sent_tokenize
 import torch
 import gradio as gr
 import pickle
+import nltk
+
+# Download NLTK punkt resource if not already downloaded
+try:
+    nltk.data.find('tokenizers/punkt')
+except LookupError:
+    nltk.download('punkt')
 
 # Function to extract text from a PDF file
 def extract_text_from_pdf(pdf_path):
@@ -140,3 +146,4 @@ demo.launch()
 
 
 
+