Update app.py

app.py

@@ -1,6 +1,7 @@
 import os
 import streamlit as st
 import requests
+import PyPDF2  # <-- Add this import for PyPDF2
 from groq import Groq
 from langchain.chains import AnalyzeDocumentChain
 from langchain.prompts import PromptTemplate
@@ -23,7 +24,7 @@ def extract_text_from_pdf(pdf_url):
 
     # Read the PDF content
     with open("temp.pdf", "rb") as f:
-        reader = PyPDF2.PdfReader(f)
+        reader = PyPDF2.PdfReader(f)  # Now PyPDF2 is defined
         text = ""
         for page in reader.pages:
             text += page.extract_text()