Update app.py

app.py

@@ -67,7 +67,7 @@ if "messages" not in st.session_state:
 if prompt := st.chat_input("What kind of class are you looking for?"):
     st.session_state.messages.append({"role": "user", "content": prompt})
     with st.chat_message("user"):
-            st.markdown(message["content"])
+            st.markdown(prompt)
 
     with st.chat_message("assistant"):
         message_placeholder = st.empty()