Update app.py

app.py

@@ -142,7 +142,7 @@ def main():
             
             # write the response
             st.session_state.messages.append({"role": "assistant", "content": msg})
-            st.chat_message("assistant").write(msg)
+            st.chat_message("assistant").markdown(msg)
         except Exception as e:
             st.error(e)