connection error 
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This happen quite often when they are too many concurrent requests to github.

i can understand it’s a bit cumbersome to handle on the user side. Maybe we should try a few times in the lib (eg with timeout) before failing, what do you think @lhoestq ?
2020-12-17T09:24:05Z
https://github.com/huggingface/datasets/issues/1594#issuecomment-747318944
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2020-12-17T09:24:05Z
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Yes currently there's no retry afaik. We should add retries
2020-12-17T09:26:30Z
https://github.com/huggingface/datasets/issues/1594#issuecomment-747320199
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2020-12-17T09:26:30Z
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Retries were added in #1603 :) 
It will be available in the next release
2020-12-23T14:52:53Z
https://github.com/huggingface/datasets/issues/1594#issuecomment-750334816
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Hi @lhoestq thank you for the modification, I will use`script_version="master"` for now  :), to my experience, also setting timeout to a larger number like 3*60 which I normally use helps a lot on this.

2020-12-24T22:53:45Z
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2020-12-24T22:57:33Z
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Hi
I am hitting to this error, thanks 

```
> Traceback (most recent call last):
  File "finetune_t5_trainer.py", line 379, in <module>
    main()
  File "finetune_t5_trainer.py", line 208, in main
    if training_args.do_eval or training_args.evaluation_strategy != EvaluationStrategy.NO
  File "finetune_t5_trainer.py", line 207, in <dictcomp>
    for task in data_args.eval_tasks}
  File "/workdir/seq2seq/data/tasks.py", line 70, in get_dataset
    dataset = self.load_dataset(split=split)
  File "/workdir/seq2seq/data/tasks.py", line 66, in load_dataset
    return datasets.load_dataset(self.task.name, split=split, script_version="master")
  File "/usr/local/lib/python3.6/dist-packages/datasets/load.py", line 589, in load_dataset
    path, script_version=script_version, download_config=download_config, download_mode=download_mode, dataset=True
  File "/usr/local/lib/python3.6/dist-packages/datasets/load.py", line 267, in prepare_module
    local_path = cached_path(file_path, download_config=download_config)
  File "/usr/local/lib/python3.6/dist-packages/datasets/utils/file_utils.py", line 308, in cached_path
    use_etag=download_config.use_etag,
  File "/usr/local/lib/python3.6/dist-packages/datasets/utils/file_utils.py", line 487, in get_from_cache
    raise ConnectionError("Couldn't reach {}".format(url))
ConnectionError: Couldn't reach https://raw.githubusercontent.com/huggingface/datasets/master/datasets/boolq/boolq.py
el/0 I1217 01:11:33.898849 354161 main shadow.py:210 Current job status: FINISHED
```