Update app.py

app.py

@@ -67,9 +67,8 @@ with gr.Blocks() as demo:
                 yield '(finished initialization, responding...)', state
                 if mode != 'Conversation':
                     yield 'waiting video input...', state
-                response, _ = gradio_backend(query=message, state=state, mode=mode)
-                # yield response, {}    
-                return response, state
+                response, state = gradio_backend(query=message, state=state, mode=mode)
+                yield response, state 
                 
             def gr_chatinterface_chatbot_clear_fn():
                 return {}, {}, 0, 0