Update app.py

app.py

@@ -126,7 +126,7 @@ async def on_message(message: cl.Message):
 
     print(f"Answer the following Question: {cl.Message.content}")
     # Asynchronous execution (e.g., for a better a chatbot user experience)
-    output_chunks = await runnable_chain.ainvoke(question)
+    output_chunks = await runnable_chain.ainvoke(cl.Message.content)
     answer = ''.join(output_chunks)
     print(f"answer to question is : {answer}")