wmt16 does not download 
CONTRIBUTOR
Hi,I also posted it to the forum, but this is a bug, perhaps it needs to be reported here? thanks 
2020-11-16T09:47:17Z
https://github.com/huggingface/datasets/issues/854#issuecomment-727865076
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MEMBER
It looks like the official OPUS server for WMT16 doesn't provide the data files anymore (503 error).
I searched a bit and couldn't find a mirror except maybe http://nlp.ffzg.hr/resources/corpora/setimes/ (the data are a cleaned version of the original ones though)
Should we consider replacing the old urls with these ones even though it's not the exact same data ?
2020-11-16T10:52:45Z
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The data storage is down at the moment. Sorry. Hopefully, it will come back soon. Apologies for the inconvenience ...
2020-11-16T12:45:49Z
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CONTRIBUTOR
Dear great huggingface team, this is not working yet, I really appreciate some temporary fix on this, I need this for my project and this is time sensitive and I will be grateful for your help on this. 
2020-11-17T01:10:47Z
https://github.com/huggingface/datasets/issues/854#issuecomment-728594625
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MEMBER
We have reached out to the OPUS team which is currently working on making the data available again. Cc @jorgtied 
2020-11-17T07:33:22Z
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CONTRIBUTOR
thank you @thomwolf  and HuggingFace team for the help. 
2020-11-17T12:22:44Z
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OPUS is still down - hopefully back tomorrow.
2020-11-17T14:40:59Z
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CONTRIBUTOR
Hi, this is still down, I would be really grateful if you could ping them one more time. thank you so much. 
2020-11-19T13:22:06Z
https://github.com/huggingface/datasets/issues/854#issuecomment-730370939
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CONTRIBUTOR
Hi
I am trying with multiple setting of wmt datasets and all failed so far, I need to have at least one dataset working for testing somecodes, and this is really time sensitive, I greatly appreciate letting me know of one translation datasets currently working. thanks 
2020-11-19T13:35:50Z
https://github.com/huggingface/datasets/issues/854#issuecomment-730378345
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It is still down, unfortunately. I'm sorry for that. It should come up again later today or tomorrow at the latest if no additional complications will happen.
2020-11-19T13:35:52Z
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CONTRIBUTOR
Hi all, 
I pulled a request that fix this issue by replacing urls. 

https://github.com/huggingface/datasets/pull/1901

Thanks!

2021-02-18T09:23:00Z
https://github.com/huggingface/datasets/issues/854#issuecomment-781205719
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2021-02-25T03:15:09Z
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It's still down for the wmt.
2021-02-21T07:11:01Z
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Hi, I appreciate your help with the following error, thanks 

>>> from datasets import load_dataset
>>> dataset = load_dataset("wmt16", "ro-en", split="train")
Downloading and preparing dataset wmt16/ro-en (download: Unknown size, generated: Unknown size, post-processed: Unknown size, total: Unknown size) to /root/.cache/huggingface/datasets/wmt16/ro-en/1.0.0/7b2c4443a7d34c2e13df267eaa8cab4c62dd82f6b62b0d9ecc2e3a673ce17308...
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/load.py", line 611, in load_dataset
    ignore_verifications=ignore_verifications,
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/builder.py", line 476, in download_and_prepare
    dl_manager=dl_manager, verify_infos=verify_infos, **download_and_prepare_kwargs
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/builder.py", line 531, in _download_and_prepare
    split_generators = self._split_generators(dl_manager, **split_generators_kwargs)
  File "/root/.cache/huggingface/modules/datasets_modules/datasets/wmt16/7b2c4443a7d34c2e13df267eaa8cab4c62dd82f6b62b0d9ecc2e3a673ce17308/wmt_utils.py", line 755, in _split_generators
    downloaded_files = dl_manager.download_and_extract(urls_to_download)
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/utils/download_manager.py", line 254, in download_and_extract
    return self.extract(self.download(url_or_urls))
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/utils/download_manager.py", line 179, in download
    num_proc=download_config.num_proc,
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/utils/py_utils.py", line 225, in map_nested
    _single_map_nested((function, obj, types, None, True)) for obj in tqdm(iterable, disable=disable_tqdm)
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/utils/py_utils.py", line 225, in <listcomp>
    _single_map_nested((function, obj, types, None, True)) for obj in tqdm(iterable, disable=disable_tqdm)
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/utils/py_utils.py", line 181, in _single_map_nested
    mapped = [_single_map_nested((function, v, types, None, True)) for v in pbar]
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/utils/py_utils.py", line 181, in <listcomp>
    mapped = [_single_map_nested((function, v, types, None, True)) for v in pbar]
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/utils/py_utils.py", line 163, in _single_map_nested
    return function(data_struct)
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/utils/file_utils.py", line 308, in cached_path
    use_etag=download_config.use_etag,
  File "/root/anaconda3/envs/pytorch/lib/python3.6/site-packages/datasets/utils/file_utils.py", line 475, in get_from_cache
    raise ConnectionError("Couldn't reach {}".format(url))
ConnectionError: Couldn't reach http://opus.nlpl.eu/download.php?f=SETIMES/v2/tmx/en-ro.tmx.gz