Update app.py

app.py

@@ -92,6 +92,8 @@ async def rollback_last(
     ):
         ppm.append_pong(result)
         yield "", prompt, ppm.build_uis(), str(res)
+        
+    yield "", prompt, ppm.build_uis(), str(res), gr.update(interactive=True)
 
 def reset_chat(idx, ld, state):
     res = [state["ppmanager_type"].from_json(json.dumps(ppm_str)) for ppm_str in ld]
@@ -328,11 +330,7 @@ with gr.Blocks(css=MODEL_SELECTION_CSS, theme='gradio/soft') as demo:
         rollback_last,
         [idx, local_data, chat_state,
          global_context, res_temp, res_topk, res_rpen, res_mnts, res_sample, ctx_num_lconv],
-        [context_inspector, chatbot, local_data]
-    ).then(
-        lambda: gr.update(interactive=True),
-        None,
-        regenerate
+        [context_inspector, chatbot, local_data, regenerate]
     ).then(
         None, local_data, None, 
         _js="(v)=>{ setStorage('local_data',v) }"