Dataset Viewer issue: FeaturesError

#1
by bhawks - opened
Fast Machine Learning Lab org

The dataset viewer is not working.

Error details:

Error code:   FeaturesError
Exception:    ValueError
Message:      Failed to convert pandas DataFrame to Arrow Table from file hf://datasets/fastmachinelearning/wa-hls4ml@3bf188ae7b9259d0a401c06ffb70e249d22ee65a/exemplar/exemplar_models.json.
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/split/first_rows.py", line 228, in compute_first_rows_from_streaming_response
                  iterable_dataset = iterable_dataset._resolve_features()
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 3357, in _resolve_features
                  features = _infer_features_from_batch(self.with_format(None)._head())
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 2111, in _head
                  return next(iter(self.iter(batch_size=n)))
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 2315, in iter
                  for key, example in iterator:
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 1856, in __iter__
                  for key, pa_table in self._iter_arrow():
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 1878, in _iter_arrow
                  yield from self.ex_iterable._iter_arrow()
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 476, in _iter_arrow
                  for key, pa_table in iterator:
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/iterable_dataset.py", line 323, in _iter_arrow
                  for key, pa_table in self.generate_tables_fn(**gen_kwags):
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/packaged_modules/json/json.py", line 172, in _generate_tables
                  raise ValueError(
              ValueError: Failed to convert pandas DataFrame to Arrow Table from file hf://datasets/fastmachinelearning/wa-hls4ml@3bf188ae7b9259d0a401c06ffb70e249d22ee65a/exemplar/exemplar_models.json.

Hello! I'm attempting to get the dataset viewer working for this dataset. It seems to fail in a few ways, including one of the above. I have since commited to the repo, so I don't have the other, original error, but I will create a new discussion if/when that error occurs.

This error mentions trying to convert a pandas dataframe to an Arrow table, but afaik there is no pandas dataframe in this JSON file, just normal dicts.

cc @albertvillanova @lhoestq @severo .

Sign up or log in to comment