Non-working datasets in the first page of hf.co/datasets
As of today (2023/05/03), the dataset viewer does not work for the following datasets, in the list of the 30 most downloaded datasets (https://huggingface.co/datasets):

- [x] https://huggingface.co/datasets/allenai/nllb, `Error code:   JobRunnerCrashedError`
- [ ] https://huggingface.co/datasets/facebook/flores, `Error code:   JobRunnerCrashedError`
- [x] https://huggingface.co/datasets/allenai/c4, `Error code:   JobRunnerCrashedError`
- [x] https://huggingface.co/datasets/lukaemon/mmlu, `Error code:   StreamingRowsError`
- [x] https://huggingface.co/datasets/piqa, `[Errno 2] No such file or directory: '/datasets-server-cache/all/datasets/2023-05-03-18-48-58-config-parquet-and-info-piqa-f5651569/piqa/plain_text/1.1.0/6c611c1a9bf220943c4174e117d3b660859665baf1d43156230116185312d011/piqa-train.parquet'
`
- [x] https://huggingface.co/datasets/Helsinki-NLP/tatoeba_mt, `Error code:   JobRunnerCrashedError`
- [x] https://huggingface.co/datasets/hendrycks_test, `Couldn't get the size of external files in `_split_generators` because a request failed: HTTPSConnectionPool(host='people.eecs.berkeley.edu', port=443): Max retries exceeded with url: /~hendrycks/data.tar (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7f15f029aac0>: Failed to establish a new connection: [Errno 111] Connection refused')) Please consider moving your data files in this dataset repository instead (e.g. inside a data/ folder).`
- [x] https://huggingface.co/datasets/HuggingFaceM4/cm4-synthetic-testing, error in some cells: `ERROR: type should be images list, got [ null, { "src": "https://datasets-server.huggingface.co/assets/HuggingFaceM4/cm4-synthetic-testing/--/100.repeat/100.unique/0/images/image-1d300ea.jpg", "height": 19, "width": 32 }, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null ]` - see https://github.com/huggingface/moon-landing/pull/6218 (internal)
- [x] https://huggingface.co/datasets/GEM/wiki_lingua, `Error code:   JobRunnerCrashedError`

Non-working datasets in the first page of hf.co/datasets: As of today (2023/05/03), the dataset viewer does not work for the following datasets, in the list of the 30 most downloaded datasets (https://huggingface.co/datasets):

- [x] https://huggingface.co/datasets/allenai/nllb, `Error code:   JobRunnerCrashedError`
- [ ] https://huggingface.co/datasets/facebook/flores, `Error code:   JobRunnerCrashedError`
- [x] https://huggingface.co/datasets/allenai/c4, `Error code:   JobRunnerCrashedError`
- [x] https://huggingface.co/datasets/lukaemon/mmlu, `Error code:   StreamingRowsError`
- [x] https://huggingface.co/datasets/piqa, `[Errno 2] No such file or directory: '/datasets-server-cache/all/datasets/2023-05-03-18-48-58-config-parquet-and-info-piqa-f5651569/piqa/plain_text/1.1.0/6c611c1a9bf220943c4174e117d3b660859665baf1d43156230116185312d011/piqa-train.parquet'
`
- [x] https://huggingface.co/datasets/Helsinki-NLP/tatoeba_mt, `Error code:   JobRunnerCrashedError`
- [x] https://huggingface.co/datasets/hendrycks_test, `Couldn't get the size of external files in `_split_generators` because a request failed: HTTPSConnectionPool(host='people.eecs.berkeley.edu', port=443): Max retries exceeded with url: /~hendrycks/data.tar (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7f15f029aac0>: Failed to establish a new connection: [Errno 111] Connection refused')) Please consider moving your data files in this dataset repository instead (e.g. inside a data/ folder).`
- [x] https://huggingface.co/datasets/HuggingFaceM4/cm4-synthetic-testing, error in some cells: `ERROR: type should be images list, got [ null, { "src": "https://datasets-server.huggingface.co/assets/HuggingFaceM4/cm4-synthetic-testing/--/100.repeat/100.unique/0/images/image-1d300ea.jpg", "height": 19, "width": 32 }, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null ]` - see https://github.com/huggingface/moon-landing/pull/6218 (internal)
- [x] https://huggingface.co/datasets/GEM/wiki_lingua, `Error code:   JobRunnerCrashedError`
