bug: bentoml.transformers.save_model doesn't work with WhisperFeatureExtractor

[bruno-hays]

Describe the bug

import bentoml
from transformers import WhisperFeatureExtractor

bentoml.transformers.save_model("whisper_feature_extractor", WhisperFeatureExtractor.from_pretrained("openai/whisper-tiny"))

Raises this error:

  File "/Users//datalab/épellations/WhisperAPI/toremove6.py", line 4, in <module>
    bentoml.transformers.save_model("whisper_feature_extractor", WhisperFeatureExtractor.from_pretrained("openai/whisper-tiny"))
  File "/Users//datalab/épellations/WhisperAPI/venv/lib/python3.10/site-packages/bentoml/_internal/frameworks/transformers.py", line 1040, in save_model
    signatures = make_default_signatures(pretrained_or_pipeline.__class__)
  File "/Users//datalab/épellations/WhisperAPI/venv/lib/python3.10/site-packages/bentoml/_internal/frameworks/transformers.py", line 600, in make_default_signatures
    pretrained_cls, transformers.image_processing_utils.BaseImageProcessor
  File "/Users//datalab/épellations/WhisperAPI/venv/lib/python3.10/site-packages/transformers/utils/import_utils.py", line 1383, in __getattr__
    raise AttributeError(f"module {self.__name__} has no attribute {name}")
AttributeError: module transformers has no attribute image_processing_utils

To reproduce

No response

Expected behavior

No response

Environment

transformers==4.40.1
bentoml==1.2.13