Update app.py

app.py

@@ -151,6 +151,7 @@ st.write("📂 **Vector Store Created:**", st.session_state.vector_created)
 
 
 # ----------------- Query Input -----------------
+query = ""
 # Ensure the query input appears ONLY after the document is fully processed
 if st.session_state.pdf_loaded and st.session_state.chunked and st.session_state.vector_created:
     query = st.text_input("🔍 Ask a question about the document:")