Update app.py

app.py

@@ -481,9 +481,11 @@ if bg_doc:
 
 
     with implementation:
-        
+        with st.spinner('Wait for it...'):        
             text_lookup=retrieved_chunks
             pages=[]
+            buffer = bg_doc.getbuffer()
+            byte_data = bytes(buffer)
             with fitz.open("temp.pdf") as doc:
            
                 for page_no in range(doc.page_count):