[Python] NotImplementedError: Loading a dataset cached in a LocalFileSystem is not supported

Discussão em 'Python' iniciado por Stack, Junho 6, 2025.

  1. Stack

    Stack Membro Participativo

    I try to load a dataset using the datasets python module in my local Python Notebook. I am running a Python 3.10.13 kernel as I do for my virtual environment.

    I cannot load the datasets I am following from a tutorial. Here's the error:

    ---------------------------------------------------------------------------
    NotImplementedError Traceback (most recent call last)
    /Users/ari/Downloads/00-fine-tuning.ipynb Celda 2 line 3
    1 from datasets import load_dataset
    ----> 3 data = load_dataset(
    4 "jamescalam/agent-conversations-retrieval-tool",
    5 split="train"
    6 )
    7 data

    File ~/Documents/fastapi_language_tutor/env/lib/python3.10/site-packages/datasets/load.py:2149, in load_dataset(path, name, data_dir, data_files, split, cache_dir, features, download_config, download_mode, verification_mode, ignore_verifications, keep_in_memory, save_infos, revision, token, use_auth_token, task, streaming, num_proc, storage_options, **config_kwargs)
    2145 # Build dataset for splits
    2146 keep_in_memory = (
    2147 keep_in_memory if keep_in_memory is not None else is_small_dataset(builder_instance.info.dataset_size)
    2148 )
    -> 2149 ds = builder_instance.as_dataset(split=split, verification_mode=verification_mode, in_memory=keep_in_memory)
    2150 # Rename and cast features to match task schema
    2151 if task is not None:
    2152 # To avoid issuing the same warning twice

    File ~/Documents/fastapi_language_tutor/env/lib/python3.10/site-packages/datasets/builder.py:1173, in DatasetBuilder.as_dataset(self, split, run_post_process, verification_mode, ignore_verifications, in_memory)
    1171 is_local = not is_remote_filesystem(self._fs)
    1172 if not is_local:
    -> 1173 raise NotImplementedError(f"Loading a dataset cached in a {type(self._fs).__name__} is not supported.")
    1174 if not os.path.exists(self._output_dir):
    1175 raise FileNotFoundError(
    1176 f"Dataset {self.dataset_name}: could not find data in {self._output_dir}. Please make sure to call "
    1177 "builder.download_and_prepare(), or use "
    1178 "datasets.load_dataset() before trying to access the Dataset object."
    1179 )

    NotImplementedError: Loading a dataset cached in a LocalFileSystem is not supported.


    How do I resolve this? I don't understand how this error is applicable, given that the dataset is something I am fetching and thus cannot be cached in my LocalFileSystem in the first place.

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