Update app.py

app.py

@@ -308,6 +308,13 @@ with gr.Blocks(css=MODEL_SELECTION_CSS, theme='gradio/soft') as demo:
                         ctx_num_lconv = gr.Slider(2, 10, 3, step=1, label="number of recent talks to keep", interactive=True)
 
     send_event = instruction_txtbox.submit(
+        lambda: [
+            gr.update(visible=False),
+            gr.update(interactive=True)
+        ],
+        None,
+        [example_block, regenerate]
+    ).then(
         chat_stream,
         [idx, local_data, instruction_txtbox, chat_state,
          global_context, res_temp, res_topk, res_rpen, res_mnts, res_sample, ctx_num_lconv],