fix: method call for prediction to show only response message

app.py

@@ -48,11 +48,7 @@ def initialize_session_state():
 def on_click_callback():
     with get_openai_callback() as cb:
         human_prompt = st.session_state.human_prompt
-        llm_response = st.session_state.conversation(
-            {
-                "question": human_prompt,
-            }
-        )
+        llm_response = st.session_state.conversation.run(human_prompt)
         st.session_state.history.append(Message("human", human_prompt))
         st.session_state.history.append(Message("ai", llm_response))
         st.session_state.token_count += cb.total_tokens
@@ -106,7 +102,7 @@ information_placeholder.caption(
     f"""
 Used {st.session_state.token_count} tokens \n
 Debug Langchain conversation: 
-{st.session_state.memory.buffer}
+{st.session_state.conversation.memory.buffer}
 """
 )