Upload app.py

app.py

@@ -240,7 +240,7 @@ with st.sidebar:
         st.session_state.current_chat_id = st.selectbox(
             label='Selecciona un chat anterior',
             options=[new_chat_id] + list(st.session_state.chats_in_memory.keys()),
-            format_func=lambda x: st.session_state.chats_in_memory.get(x, 'Nuevo Chat'),
+            format_func=lambda x: st.session_state.chats_in_memory.get(x, {}).get('title', 'Nuevo Chat') if isinstance(x, str) else 'Nuevo Chat',
             placeholder='_',
         )
     else:
@@ -248,7 +248,7 @@ with st.sidebar:
             label='Selecciona un chat anterior',
             options=[new_chat_id, st.session_state.current_chat_id] + list(st.session_state.chats_in_memory.keys()),
             index=1,
-            format_func=lambda x: st.session_state.chats_in_memory.get(x, 'Nuevo Chat' if x != st.session_state.current_chat_id else st.session_state.chat_title),
+            format_func=lambda x: st.session_state.chats_in_memory.get(x, {}).get('title', 'Nuevo Chat') if isinstance(x, str) else 'Nuevo Chat',
             placeholder='_',
         )