yolov8face export yolov8-lite-s and yolov8-lite-t error

[pcb9382]

我用export 导出yolov8n-face到onnx没问题,但是yolov8-lite-s and yolov8-lite-t就报错，大佬你是咋导出的呀
yolo mode=export model=yolov8-lite-s.pt format=onnx simplify=True batch=1

Traceback (most recent call last):
File "/home/pcb/.local/bin/yolo", line 8, in
sys.exit(entrypoint())
File "/home/pcb/.local/lib/python3.8/site-packages/ultralytics/yolo/cfg/init.py", line 378, in entrypoint
model = YOLO(model, task=task)
File "/home/pcb/.local/lib/python3.8/site-packages/ultralytics/yolo/engine/model.py", line 107, in init
self._load(model, task)
File "/home/pcb/.local/lib/python3.8/site-packages/ultralytics/yolo/engine/model.py", line 156, in _load
self.model, self.ckpt = attempt_load_one_weight(weights)
File "/home/pcb/.local/lib/python3.8/site-packages/ultralytics/nn/tasks.py", line 578, in attempt_load_one_weight
ckpt, weight = torch_safe_load(weight) # load ckpt
File "/home/pcb/.local/lib/python3.8/site-packages/ultralytics/nn/tasks.py", line 518, in torch_safe_load
return torch.load(file, map_location='cpu'), file # load
File "/home/pcb/.local/lib/python3.8/site-packages/torch/serialization.py", line 607, in load
return _load(opened_zipfile, map_location, pickle_module, **pickle_load_args)
File "/home/pcb/.local/lib/python3.8/site-packages/torch/serialization.py", line 882, in _load
result = unpickler.load()
File "/home/pcb/.local/lib/python3.8/site-packages/torch/serialization.py", line 875, in find_class
return super().find_class(mod_name, name)
AttributeError: Can't get attribute 'StemBlock' on <module 'ultralytics.nn.modules' from '/home/pcb/.local/lib/python3.8/site-packages/ultralytics/nn/modules/init.py'>