Update app.py

app.py

@@ -293,13 +293,13 @@ def run_streamlit_app():
             col1, col2, col3 = st.columns([1, 1, 3])
             with col1:
                 if st.button("👍", key=f"up_{chat_index}"):
-                    if 'feedback' not in chat:
+                    if chat['feedback'] == 0:
                         chat['feedback'] = 1
                         st.session_state.chat_history[chat_index] = chat
                         update_google_sheets(chat['id'], feedback=1)
             with col2:
                 if st.button("👎", key=f"down_{chat_index}"):
-                    if 'feedback' not in chat:
+                    if chat['feedback'] == 0:
                         chat['feedback'] = -1
                         st.session_state.chat_history[chat_index] = chat
                         update_google_sheets(chat['id'], feedback=-1)