UnpicklingError: invalid load key, 'v'.`

[z550868991]

torch==2.0.0
peft==0.3.0.dev0

My code will report a traceback.
I'm not sure if it's a version issue.

╭─────────────────────────────── Traceback (most recent call last) ────────────────────────────────╮
│ /root/luotuoQA/server_start.py:13 in │
│ │
│ 10 with_origin_model: bool = True │
│ 11 │
│ 12 │
│ ❱ 13 model = get_model(model_name, peft_path) │
│ 14 origin_model = None │
│ 15 if with_origin_model: │
│ 16 │ origin_model = get_model(model_name) │
│ │
│ /root/luotuoQA/luotuo_qa/app/infer.py:21 in get_model │
│ │
│ 18 │ torch.set_default_tensor_type(torch.cuda.HalfTensor) │
│ 19 │ model = AutoModel.from_pretrained(model_name, trust_remote_code=True, device_map='au │
│ 20 │ if peft_path is not None and peft_path != "": │
│ ❱ 21 │ │ model = PeftModel.from_pretrained(model, peft_path) │
│ 22 │ return model │
│ 23 │
│ 24 def format_context(story, question): │
│ │
│ in from_pretrained:157 │
│ │
│ /usr/local/lib/python3.10/site-packages/torch/serialization.py:815 in load │
│ │
│ 812 │ │ │ │ return _legacy_load(opened_file, map_location, _weights_only_unpickler, │
│ 813 │ │ │ except RuntimeError as e: │
│ 814 │ │ │ │ raise pickle.UnpicklingError(UNSAFE_MESSAGE + str(e)) from None │
│ ❱ 815 │ │ return _legacy_load(opened_file, map_location, pickle_module, **pickle_load_args │
│ 816 │
│ 817 │
│ 818 # Register pickling support for layout instances such as │
│ │
│ /usr/local/lib/python3.10/site-packages/torch/serialization.py:1033 in _legacy_load │
│ │
│ 1030 │ │ │ f"Received object of type "{type(f)}". Please update to Python 3.8.2 or ne │
│ 1031 │ │ │ "functionality.") │
│ 1032 │ │
│ ❱ 1033 │ magic_number = pickle_module.load(f, **pickle_load_args) │
│ 1034 │ if magic_number != MAGIC_NUMBER: │
│ 1035 │ │ raise RuntimeError("Invalid magic number; corrupt file?") │
│ 1036 │ protocol_version = pickle_module.load(f, **pickle_load_args) │
╰──────────────────────────────────────────────────────────────────────────────────────────────────╯
UnpicklingError: invalid load key, 'v'.