ImportError: cannot import name 'rotate_half' from 'sat.model.official.llama_model'

[kkkwjr]

[2024-12-04 03:22:29,241] [INFO] [real_accelerator.py:219:get_accelerator] Setting ds_accelerator to cuda (auto detect)
Traceback (most recent call last):
File "/workspace/kkkjr/Item/CogVLM/basic_demo/web_demo.py", line 20, in
from utils.utils import chat, llama2_tokenizer, llama2_text_processor_inference, get_image_processor, parse_response
File "/workspace/kkkjr/Item/CogVLM/utils/utils/init.py", line 2, in
from .language import llama2_tokenizer, llama2_text_processor, llama2_text_processor_inference
File "/workspace/kkkjr/Item/CogVLM/utils/utils/language.py", line 1, in
from sat.model.official.llama_model import LLaMAModel, rotate_half
ImportError: cannot import name 'rotate_half' from 'sat.model.official.llama_model' (/home/wpg/.local/lib/python3.10/site-packages/sat/model/official/llama_model.py)

anybody can help？ Thanks！