The dataset viewer is not available for this dataset.
Error code: ConfigNamesError
Exception: TypeError
Message: Value.__init__() missing 1 required positional argument: 'dtype'
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/dataset/config_names.py", line 67, in compute_config_names_response
config_names = get_dataset_config_names(
path=dataset,
token=hf_token,
)
File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 161, in get_dataset_config_names
dataset_module = dataset_module_factory(
path,
...<4 lines>...
**download_kwargs,
)
File "/usr/local/lib/python3.14/site-packages/datasets/load.py", line 1217, in dataset_module_factory
raise e1 from None
File "/usr/local/lib/python3.14/site-packages/datasets/load.py", line 1192, in dataset_module_factory
).get_module()
~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/load.py", line 700, in get_module
config_name: DatasetInfo.from_dict(dataset_info_dict)
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/info.py", line 284, in from_dict
return cls(**{k: v for k, v in dataset_info_dict.items() if k in field_names})
File "<string>", line 20, in __init__
File "/usr/local/lib/python3.14/site-packages/datasets/info.py", line 170, in __post_init__
self.features = Features.from_dict(self.features)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1993, in from_dict
obj = generate_from_dict(dic)
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1574, in generate_from_dict
return {key: generate_from_dict(value) for key, value in obj.items()}
~~~~~~~~~~~~~~~~~~^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1593, in generate_from_dict
return class_type(**{k: v for k, v in obj.items() if k in field_names})
TypeError: Value.__init__() missing 1 required positional argument: 'dtype'Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
Evo2 Dataset
Dataset Description
Evo2 Dataset is an Evo2 mini genome dataset adapted for OneScience/evo2/. It contains FASTA, compressed FASTA, and merged FASTA files for human chr20, chr21, and chr22, as well as train, validation, and test .bin/.idx splits preprocessed with the Byte-Level tokenizer.
Supported Tasks
This dataset is not the complete OpenGenome2 dataset and is not intended to reproduce full-scale pretraining. It is intended for preflight checks of the standard Evo2 model repository, FASTA prediction input, and smoke tests for mini training or fine-tuning.
Dataset Format and Structure
| Data | Format | Description |
|---|---|---|
| Raw sequences | FASTA / gzip FASTA | chr20, chr21, chr22, and merged FASTA |
| Preprocessed training split | .bin + .idx |
chr20_21_22_uint8_distinct_byte-level_train |
| Preprocessed validation split | .bin + .idx |
chr20_21_22_uint8_distinct_byte-level_val |
| Preprocessed test split | .bin + .idx |
chr20_21_22_uint8_distinct_byte-level_test |
| Checksum manifest | TSV / SHA256 | File names, sizes, and hashes |
The default location within the dataset package is data_mini/genome_data/.
How to Use the Dataset
Files and Download
Download the dataset:
hf download --dataset OneScience-Sugon/evo2_dataset
Model weights must be downloaded separately to validate the model:
hf download --model OneScience-Sugon/evo2/
Data Placement and Validation
Default model data path:
<MODEL_REPO_ROOT>/data/evo2_dataset/data_mini/genome_data/
Place data_mini in the model package:
mkdir -p <MODEL_REPO_ROOT>/data/evo2_dataset
cp -a data_mini <MODEL_REPO_ROOT>/data/evo2_dataset/data_mini
Validation command:
python scripts/validate_evo2_dataset.py --package-root . --dataset-root data_mini
For a quick structure-only check, add --skip-sha256.
Official OneScience Information
| Platform | OneScience Main Repository | Skills Repository |
|---|---|---|
| Gitee | https://gitee.com/onescience-ai/onescience | https://gitee.com/onescience-ai/oneskills |
| GitHub | https://github.com/onescience-ai/OneScience | https://github.com/onescience-ai/oneskills |
Limitations and License
Repository license: Apache-2.0 Data license: LicenseRef-UCSC-hg38-public-use Data source: UCSC hg38 / GRCh38, chromosomes 20, 21 and 22 Note: Derived bin/idx files follow the source genome data terms.
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