Fix building of documentation
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_The documentation is not available anymore as the PR was closed or merged._
2022-03-28T09:28:24Z
https://github.com/huggingface/datasets/pull/4036#issuecomment-1080409237
https://api.github.com/repos/huggingface/datasets/issues/4036
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2022-03-28T11:18:31Z
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Superseded by huggingface/doc-builder@31fe6c8bc7225810e281c2f6c6cd32f38828c504
2022-03-28T11:13:21Z
https://github.com/huggingface/datasets/pull/4036#issuecomment-1080517550
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2022-03-28T11:13:21Z
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Documentation building is failing:
- https://github.com/huggingface/datasets/runs/5716300989?check_suite_focus=true

```
ValueError: There was an error when converting ../datasets/docs/source/package_reference/main_classes.mdx to the MDX format.
Unable to find datasets.filesystems.S3FileSystem in datasets. Make sure the path to that object is correct.
```

Fix #4037.