Update app.py

app.py

@@ -227,6 +227,7 @@ def gradio_ask(user_message, chatbot):
 
 @spaces.GPU
 def gradio_answer(chatbot, sys_prompt, user_prompt, video_tensor, chat_state, num_beams, temperature, do_sample=False):
+    video_tensor = video_tensor.to(model.device)
     response, chat_state = model.chat(tokenizer,
                                         sys_prompt,
                                         user_prompt,