v8

app.py

@@ -10,6 +10,9 @@ if "openai_model" not in st.session_state:
 # if "messages" not in st.session_state:
 #     st.session_state.messages = []
 
+if "messages" not in st.session_state or st.sidebar.button("Clear message history"):
+    st.session_state["messages"] = [{"role": "assistant", "content": "How can I help you?"}]
+
 for message in st.session_state.messages:
     with st.chat_message(message["role"]):
         st.markdown(message["content"])
@@ -45,5 +48,3 @@ if prompt := st.chat_input("What is up?"):
         message_placeholder.markdown(full_response)
     st.session_state.messages.append({"role": "assistant", "content": full_response})
     
-if "messages" not in st.session_state or st.sidebar.button("Clear message history"):
-    st.session_state["messages"] = [{"role": "assistant", "content": "How can I help you?"}]