Update app.py

app.py

@@ -59,7 +59,7 @@ with gr.Blocks() as demo:
     @spaces.GPU
     def bot(history):
         print("Question: ", history[-1][0])
-        bot_message = llm_chain.invoke(question=history[-1][0])
+        bot_message = llm_chain.invoke(input=history[-1][0])
         print("Response: ", bot_message)
         history[-1][1] = ""
         history[-1][1] += bot_message