Update app.py

app.py

@@ -364,16 +364,16 @@ if __name__ == '__main__':
             if 'chat_id' not in st.session_state:
                 st.session_state.chat_id = st.selectbox(
                     label='Choose a conversation',
-                    options=[new_chat_id] + list(past_chats.keys()),
-                    format_func=lambda x: past_chats.get(x, 'New Chat'),
+                    options=[new_chat_id] + list(conversations.keys()),
+                    format_func=lambda x: conversations.get(x, 'New Chat'),
                     placeholder='_',
                 )
             else:
                 st.session_state.chat_id = st.selectbox(
                     label='Choose a conversation',
-                    options=[new_chat_id, st.session_state.chat_id] + list(past_chats.keys()),
+                    options=[new_chat_id, st.session_state.chat_id] + list(conversations.keys()),
                     index=1,
-                    format_func=lambda x: past_chats.get(x, 'New Chat' if x != st.session_state.chat_id else st.session_state.chat_title),
+                    format_func=lambda x: conversations.get(x, 'New Chat' if x != st.session_state.chat_id else st.session_state.chat_title),
                     placeholder='_',
                 )
             st.session_state.chat_title = f'ChatSession-{st.session_state.chat_id}'