ImportError: cannot import name 'auto_class_factory'

I installed layoutlmft from https://github.com/microsoft/unilm/tree/master/layoutlmft and it import auto_class_factory in the source code of init.py:

from transformers.models.auto.modeling_auto import auto_class_factory
.....xxx...
AutoModelForTokenClassification = auto_class_factory(
    "AutoModelForTokenClassification", MODEL_FOR_TOKEN_CLASSIFICATION_MAPPING, head_doc="token classification"
)

AutoModelForRelationExtraction = auto_class_factory(
    "AutoModelForRelationExtraction", MODEL_FOR_RELATION_EXTRACTION_MAPPING, head_doc="relation extraction"
)

After I upgraded the transformers from v4.5.1 to v4.10.0. And when I run the code as follow: from transformers.models.auto.modeling_auto import auto_class_factory I got the error below:

ImportError: cannot import name 'auto_class_factory' from 'transformers.models.auto.modeling_auto' 
(xxxxx/envs/huggingface/lib/python3.7/site-packages/transformers/models/auto/modeling_auto.py)

I couldn’t find auto_class_factory in the source code and documents in v4.10.0. How can I fixed this problem? Thanks.

[github-actions[bot]]

This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

Please note that issues that do not follow the contributing guidelines are likely to be ignored.

[gwc4github]

@sz-lcw, This code is still broken in version 4.12.5 so here is the fix that sgugger meant. You will need to change the code to be this: (Thanks to @alromb for doing most of the work and of course sgugger.)

....
try:
    from transformers.models.auto.modeling_auto import auto_class_factory
except:
    from transformers.models.auto.modeling_auto import _BaseAutoModelClass, auto_class_update
..
...
...
try:
    AutoModelForTokenClassification = auto_class_factory(
        "AutoModelForTokenClassification", MODEL_FOR_TOKEN_CLASSIFICATION_MAPPING, head_doc="token classification")
except:
    cls = types.new_class("AutoModelForTokenClassification", (_BaseAutoModelClass,))
    cls._model_mapping = MODEL_FOR_TOKEN_CLASSIFICATION_MAPPING
    cls.__name__ = "AutoModelForTokenClassification"

    AutoModelForTokenClassification = auto_class_update(cls, head_doc="token classification")

try:
    AutoModelForRelationExtraction = auto_class_update(
        "AutoModelForRelationExtraction", MODEL_FOR_RELATION_EXTRACTION_MAPPING, head_doc="relation extraction")
except:
    cls = types.new_class("AutoModelForRelationExtraction", (_BaseAutoModelClass,))
    cls._model_mapping = MODEL_FOR_TOKEN_CLASSIFICATION_MAPPING
    cls.__name__ = "AutoModelForRelationExtraction"

    AutoModelForRelationExtraction = auto_class_update(cls, head_doc="relation extraction")