runtime error

Exit code: 1. Reason: ", line 519, in send raise ConnectionError(e, request=request) requests.exceptions.ConnectionError: HTTPConnectionPool(host='data.terrier.org', port=80): Max retries exceeded with url: /indices/vaswani/terrier_stemmed/latest/files (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f327cc9d5a0>: Failed to establish a new connection: [Errno 111] Connection refused')) The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/home/user/app/app.py", line 7, in <module> retr = pt.TerrierRetrieve.from_dataset('vaswani', 'terrier_stemmed') File "/home/user/.local/lib/python3.10/site-packages/pyterrier/batchretrieve.py", line 170, in from_dataset return _from_dataset(dataset, variant=variant, version=version, clz=BatchRetrieve, **kwargs) File "/home/user/.local/lib/python3.10/site-packages/pyterrier/batchretrieve.py", line 109, in _from_dataset indexref = dataset.get_index(variant) File "/home/user/.local/lib/python3.10/site-packages/pyterrier/datasets.py", line 372, in get_index thedir = self._get_all_files("index", variant=variant, **kwargs) File "/home/user/.local/lib/python3.10/site-packages/pyterrier/datasets.py", line 252, in _get_all_files file_list = location(self, component, variant, **kwargs) File "/home/user/.local/lib/python3.10/site-packages/pyterrier/datasets.py", line 591, in _datarepo_index_default_none return _datarepo_index(self, component, variant=variant, version=version, **kwargs) File "/home/user/.local/lib/python3.10/site-packages/pyterrier/datasets.py", line 571, in _datarepo_index raise ValueError(f"Could not find index variant {variant} for dataset {self.name} at {url}. See available variants at http://data.terrier.org/{self.name}.dataset.html") from e ValueError: Could not find index variant terrier_stemmed for dataset vaswani at http://data.terrier.org/indices/vaswani/terrier_stemmed/latest/files. See available variants at http://data.terrier.org/vaswani.dataset.html

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