Added debugging statemetns

app.py

@@ -528,7 +528,9 @@ def do_html_video_speak(words_to_speak, azure_language):
 
 
 def update_selected_tools(widget, state, llm):
+    print('debugging - update_selected_tools detected')
     if widget:
+        print('debugging - widget detected')
         state = widget
         chain, express_chain, memory = load_chain(state, llm)
         return state, llm, chain, express_chain