Update app.py

app.py

@@ -1,4 +1,5 @@
 import streamlit as st
+import tempfile
 import torch
 from langchain.document_loaders import PyPDFLoader
 
@@ -9,9 +10,11 @@ from langchain.vectorstores import FAISS
 
 
 def read_pdf(file):
-    loader = PyPDFLoader(file)
-    raw_documents = loader.load()
-    return raw_documents
+    with tempfile.NamedTemporaryFile(delete=False) as temp:
+        temp.write(file.getvalue())
+        loader = PyPDFLoader(temp.name)
+        raw_documents = loader.load()
+        return raw_documents
 
 st.title('PDF Text Extractor')