IPEXModel is no longer support torchscript models

[zhanxw]

When I tried this notebook (https://github.com/IntelLabs/fastRAG/blob/main/examples/optimized-embeddings.ipynb), I got this error:

>>>
>>> doc_embedder.warm_up(); query_embedder.warm_up()

config.json: 100%|████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████| 747/747 [00:00<00:00, 130kB/s]
Loading IPEX ST Transformer model
Traceback (most recent call last):
  File "", line 1, in 
  File "/endosome/archive/PCDC/PCDC_Core/xzhan9/mycode/llama.panda/fastrag/fastRAG/fastrag/embedders/ipex_embedder.py", line 153, in ipex_model_warm_up
    self.embedding_backend = _IPEXSentenceTransformersEmbeddingBackend(
  File "/endosome/archive/PCDC/PCDC_Core/xzhan9/mycode/llama.panda/fastrag/fastRAG/fastrag/embedders/ipex_embedder.py", line 136, in __init__
    self.model = _IPEXSentenceTransformer(
  File "/home2/xzhan9/software/miniconda3/envs/fastrag/lib/python3.8/site-packages/sentence_transformers/SentenceTransformer.py", line 318, in __init__
    modules = self._load_auto_model(
  File "/endosome/archive/PCDC/PCDC_Core/xzhan9/mycode/llama.panda/fastrag/fastRAG/fastrag/embedders/ipex_embedder.py", line 120, in _load_auto_model
    transformer_model = _IPEXSTTransformers(
  File "/home2/xzhan9/software/miniconda3/envs/fastrag/lib/python3.8/site-packages/sentence_transformers/models/Transformer.py", line 76, in __init__
    self._load_model(model_name_or_path, config, cache_dir, backend, **model_args)
  File "/endosome/archive/PCDC/PCDC_Core/xzhan9/mycode/llama.panda/fastrag/fastRAG/fastrag/embedders/ipex_embedder.py", line 40, in _load_model
    self.auto_model = IPEXModel.from_pretrained(
  File "/home2/xzhan9/software/miniconda3/envs/fastrag/lib/python3.8/site-packages/optimum/modeling_base.py", line 438, in from_pretrained
    return from_pretrained_method(
  File "/home2/xzhan9/software/miniconda3/envs/fastrag/lib/python3.8/site-packages/optimum/intel/ipex/modeling_base.py", line 149, in _from_pretrained
    raise ValueError("IPEXModel is no longer support torchscript models.")
ValueError: IPEXModel is no longer support torchscript models.
>>>
>>> import torch
>>> torch.__version__
'2.4.1+cu121'

I am using Python 3.8.20 | packaged by conda-forge | (default, Sep 30 2024, 17:52:49).