Fix issue with transformers library huggingface#11027
Merged
copybara-service[bot] merged 1 commit intotensorflow:masterfrom Jun 5, 2025
Merged
Fix issue with transformers library huggingface#11027copybara-service[bot] merged 1 commit intotensorflow:masterfrom
copybara-service[bot] merged 1 commit intotensorflow:masterfrom
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Transformers library in the last versions verify if datasets contains a _spec_ to check if it is available
pierrot0
approved these changes
Jun 5, 2025
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Description
I was trying to modifiy a RLDS dataset built on top of TFDS following this repo : https://github.com/kpertsch/rlds_dataset_builder
I needed to extract some features from images with models from the transformers library of HuggingFace but was facing an issue during the import :
raise ValueError('{}.__spec__ is None'.format(name)) ValueError: datasets.__spec__ is NoneAnd more specifically this one :
transformers/utils/import_utils.py", line 120, in <module> _datasets_available = _is_package_available("datasets")It verifies if
datasets(the HF library) is available by looking at the__spec__attribute. As tfds is overwritting datasets by a mock, it does not create the attribute, which causes the issue.In the PR I fixed the issue by simply creating the needed attribute in the Mock in order to solve the problem.
Here are the versions of the libraries involved in the problem :
tensorflow-datasets 4.9.3transformers 4.50.0.dev0