Update app.py

app.py

@@ -104,7 +104,7 @@ for message in st.session_state.messages:
 
 if prompt := st.chat_input("Start talking with your tutor!"):
     st.session_state.messages.append({"role": "user", "content": prompt})
-    with st.chat_message("user"):
+    with st.chat_message(name_to_role('tutor')):
         st.markdown(prompt)
 
     with st.chat_message(name_to_role('student')):