Make RedCaps streamable (again) (#3737)

Commit from https://github.com/huggingface/datasets/commit/5f52561f6c35d4e3ccad87ff949a729b34d2d0d2

dataset_infos.json

@@ -1 +1 @@
-{"plain_text": {"description": "OpenWebText2 is an enhanced version of the original OpenWebTextCorpus covering all Reddit submissions from 2005 up until April 2020, with further months becoming available after the corresponding PushShift dump files are released.\n", "citation": "@article{pile,\n    title={The {P}ile: An 800GB Dataset of Diverse Text for Language Modeling},\n    author={Gao, Leo and Biderman, Stella and Black, Sid and Golding, Laurence and Hoppe, Travis and Foster, Charles and Phang, Jason and He, Horace and Thite, Anish and Nabeshima, Noa and Presser, Shawn and Leahy, Connor},\n    journal={arXiv preprint arXiv:2101.00027},\n    year={2020}\n}\n", "homepage": "https://openwebtext2.readthedocs.io/en/latest/", "license": "", "features": {"title": {"dtype": "string", "id": null, "_type": "Value"}, "text": {"dtype": "string", "id": null, "_type": "Value"}}, "post_processed": null, "supervised_keys": null, "task_templates": null, "builder_name": "the_pile_openwebtext2", "config_name": "plain_text", "version": {"version_str": "1.0.0", "description": null, "major": 1, "minor": 0, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 68571017395, "num_examples": 17103059, "dataset_name": "the_pile_openwebtext2"}}, "download_checksums": {"https://the-eye.eu/public/AI/pile_preliminary_components/openwebtext2.jsonl.zst.tar": {"num_bytes": 29344276480, "checksum": "9043d1b93c35ff1a38a17e16c73c009d4617dcaab6da15adc0faf4779739a027"}}, "download_size": 29344276480, "post_processing_size": null, "dataset_size": 68571017395, "size_in_bytes": 97915293875}}
+{"plain_text": {"description": "OpenWebText2 is an enhanced version of the original OpenWebTextCorpus covering all Reddit submissions from 2005 up until April 2020, with further months becoming available after the corresponding PushShift dump files are released.\n", "citation": "@article{pile,\n    title={The {P}ile: An 800GB Dataset of Diverse Text for Language Modeling},\n    author={Gao, Leo and Biderman, Stella and Black, Sid and Golding, Laurence and Hoppe, Travis and Foster, Charles and Phang, Jason and He, Horace and Thite, Anish and Nabeshima, Noa and Presser, Shawn and Leahy, Connor},\n    journal={arXiv preprint arXiv:2101.00027},\n    year={2020}\n}\n", "homepage": "https://openwebtext2.readthedocs.io/en/latest/", "license": "", "features": {"title": {"dtype": "string", "id": null, "_type": "Value"}, "text": {"dtype": "string", "id": null, "_type": "Value"}}, "post_processed": null, "supervised_keys": null, "task_templates": null, "builder_name": "the_pile_openwebtext2", "config_name": "plain_text", "version": {"version_str": "1.0.0", "description": null, "major": 1, "minor": 0, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 68571017395, "num_examples": 17103059, "dataset_name": "the_pile_openwebtext2"}}, "download_checksums": {"https://mystic.the-eye.eu/public/AI/pile_preliminary_components/openwebtext2.jsonl.zst.tar": {"num_bytes": 29344276480, "checksum": "9043d1b93c35ff1a38a17e16c73c009d4617dcaab6da15adc0faf4779739a027"}}, "download_size": 29344276480, "post_processing_size": null, "dataset_size": 68571017395, "size_in_bytes": 97915293875}}

the_pile_openwebtext2.py

@@ -40,7 +40,8 @@ covering all Reddit submissions from 2005 up until April 2020, \
 with further months becoming available after the corresponding PushShift dump files are released.
 """
 
-_URL = "https://the-eye.eu/public/AI/pile_preliminary_components/openwebtext2.jsonl.zst.tar"
+_HOST_URL = "https://mystic.the-eye.eu"  # Before: "https://the-eye.eu"
+_URL = f"{_HOST_URL}/public/AI/pile_preliminary_components/openwebtext2.jsonl.zst.tar"
 
 
 class Openwebtext2(datasets.GeneratorBasedBuilder):