polemo2_in task error with datasets 2.16.1

[djstrong]

polemo2_in task error with datasets 2.16.1:

Traceback (most recent call last):
  File "~/venv/bin/lm_eval", line 8, in <module>
    sys.exit(cli_evaluate())
  File "~/lm-evaluation-harness/lm_eval/__main__.py", line 231, in cli_evaluate
    results = evaluator.simple_evaluate(
  File "~/lm-evaluation-harness/lm_eval/utils.py", line 415, in _wrapper
    return fn(*args, **kwargs)
  File "~/lm-evaluation-harness/lm_eval/evaluator.py", line 122, in simple_evaluate
    task_dict = lm_eval.tasks.get_task_dict(tasks)
  File "~/lm-evaluation-harness/lm_eval/tasks/__init__.py", line 275, in get_task_dict
    task_name: get_task(task_name=task_element, config=config),
  File "~/lm-evaluation-harness/lm_eval/tasks/__init__.py", line 217, in get_task
    return TASK_REGISTRY[task_name](config=config)
  File "~/lm-evaluation-harness/lm_eval/api/task.py", line 619, in __init__
    self.download(self.config.dataset_kwargs)
  File "~/lm-evaluation-harness/lm_eval/api/task.py", line 714, in download
    self.dataset = datasets.load_dataset(
  File "~/venv/lib/python3.10/site-packages/datasets/load.py", line 2523, in load_dataset
    builder_instance = load_dataset_builder(
  File "~/venv/lib/python3.10/site-packages/datasets/load.py", line 2232, in load_dataset_builder
    builder_instance: DatasetBuilder = builder_cls(
  File "~/venv/lib/python3.10/site-packages/datasets/builder.py", line 371, in __init__
    self.config, self.config_id = self._create_builder_config(
  File "~/venv/lib/python3.10/site-packages/datasets/builder.py", line 592, in _create_builder_config
    raise ValueError(
ValueError: BuilderConfig 'klej-polemo2-in' not found. Available: ['default']

but it works better with datasets 2.15.0.

[lhoestq]

Hi ! klej-polemo2-in is not a valid subset for https://huggingface.co/datasets/allegro/klej-polemo2-in

I opened a PR to fix this issue in the yaml task file