Update app.py

app.py

@@ -112,7 +112,8 @@ with gr.Blocks() as iface:
     
     use_chat = gr.Checkbox(label="Use Chat for TTS input", value=False)
     
-    with gr.Group() as chat_group:
+    chat_group = gr.Group(visible=False)
+    with chat_group:
         chat_input = gr.Textbox(label="Ask a question about the indexed text")
         chat_button = gr.Button("Ask")
         chat_output = gr.Textbox(label="Answer", interactive=False)
@@ -125,7 +126,7 @@ with gr.Blocks() as iface:
     message_output = gr.Textbox(label="Message")
 
     def update_chat_visibility(use_chat):
-        return gr.Group.update(visible=use_chat)
+        return gr.update(visible=use_chat)
         
     def convert_text(text, translation_lang):
         target_code = translation_languages[translation_lang]