Update app.py

app.py

@@ -87,6 +87,7 @@ def test_rag(qa, query):
 user_prompt = st.chat_input("Ask me anything about the content of the PDF(s):")
 print("user input:", user_prompt)
 if user_prompt:
+    print("user input after if condition: "user_prompt)
     st.session_state.messages.append({'role': 'user', "content": user_prompt})
     books_retriever = test_rag(books_db_client_retriever, user_prompt)
     print("books retriver:",books_retriever)