Update app.py

app.py

@@ -2,6 +2,7 @@ import streamlit as st
 from together import Together
 import os
 import re  
+import io
 import fitz  # PyMuPDF for PDF text extraction
 
 API_KEY = os.getenv("TOGETHER_API_KEY")
@@ -20,7 +21,10 @@ st.title("DeepSeek R1 Chatbot")
 
 # Function to extract text from a PDF file
 def extract_pdf_text(uploaded_file):
-    doc = fitz.open(uploaded_file)
+    # Convert the uploaded file into a byte stream
+    pdf_bytes = uploaded_file.read()
+    # Open the byte stream as a PDF document
+    doc = fitz.open(io.BytesIO(pdf_bytes))
     text = ""
     for page in doc:
         text += page.get_text()