`datasets.load_dataset("reazon-research/reazonspeech")` shows an error for dataset scripts with `datasets >= 4`

[gunyarakun]

>>> from datasets import load_dataset
>>> ds = load_dataset("reazon-research/reazonspeech")
...
README.md: 100%|███████████████████████████| 2.27k/2.27k [00:00<00:00, 3.13MB/s]
reazonspeech.py: 100%|█████████████████████| 4.86k/4.86k [00:00<00:00, 7.34MB/s]
Traceback (most recent call last):
  File "<python-input-1>", line 1, in <module>
    ds = load_dataset("reazon-research/reazonspeech")
  File "/Users/tasuku_suenaga/temp/.venv/lib/python3.13/site-packages/datasets/load.py", line 1392, in load_dataset
    builder_instance = load_dataset_builder(
        path=path,
    ...<10 lines>...
        **config_kwargs,
    )
  File "/Users/tasuku_suenaga/temp/.venv/lib/python3.13/site-packages/datasets/load.py", line 1132, in load_dataset_builder
    dataset_module = dataset_module_factory(
        path,
    ...<5 lines>...
        cache_dir=cache_dir,
    )
  File "/Users/tasuku_suenaga/temp/.venv/lib/python3.13/site-packages/datasets/load.py", line 1031, in dataset_module_factory
    raise e1 from None
  File "/Users/tasuku_suenaga/temp/.venv/lib/python3.13/site-packages/datasets/load.py", line 989, in dataset_module_factory
    raise RuntimeError(f"Dataset scripts are no longer supported, but found {filename}")
RuntimeError: Dataset scripts are no longer supported, but found reazonspeech.py