Triage workboard: 5 oldest unlabeled open issues in upstream huggingface/datasets

## Purpose

This is a **triage tracking issue** to serve as a team workboard for **unlabeled upstream issues needing attention** in [huggingface/datasets](https://github.com/huggingface/datasets).

From a snapshot of the upstream issue tracker, the entries below are the **5 oldest open issues (pull requests excluded) that have no labels attached at all**, sorted by creation date (oldest first). None of them have been triaged upstream yet — each one needs review, categorization, and labeling.

## Issues to triage (oldest first)

| # | Upstream issue | Title | Created (UTC) |
|---|----------------|-------|---------------|
| 1 | [huggingface/datasets#373](https://github.com/huggingface/datasets/issues/373) | `Segmentation fault when loading local JSON dataset as of #372` | 2020-07-10T15:04:25Z |
| 2 | [huggingface/datasets#375](https://github.com/huggingface/datasets/issues/375) | `TypeError when computing bertscore` | 2020-07-10T20:37:44Z |
| 3 | [huggingface/datasets#376](https://github.com/huggingface/datasets/issues/376) | `to_pandas conversion doesn't always work` | 2020-07-10T21:33:31Z |
| 4 | [huggingface/datasets#413](https://github.com/huggingface/datasets/issues/413) | `Is there a way to download only NQ dev?` | 2020-07-18T10:28:23Z |
| 5 | [huggingface/datasets#433](https://github.com/huggingface/datasets/issues/433) | `How to reuse functionality of a (generic) dataset?` | 2020-07-24T17:27:37Z |

## Workboard checklist

- [ ] [huggingface/datasets#373](https://github.com/huggingface/datasets/issues/373) — `Segmentation fault when loading local JSON dataset as of #372` — created 2020-07-10T15:04:25Z
- [ ] [huggingface/datasets#375](https://github.com/huggingface/datasets/issues/375) — `TypeError when computing bertscore` — created 2020-07-10T20:37:44Z
- [ ] [huggingface/datasets#376](https://github.com/huggingface/datasets/issues/376) — `to_pandas conversion doesn't always work` — created 2020-07-10T21:33:31Z
- [ ] [huggingface/datasets#413](https://github.com/huggingface/datasets/issues/413) — `Is there a way to download only NQ dev?` — created 2020-07-18T10:28:23Z
- [ ] [huggingface/datasets#433](https://github.com/huggingface/datasets/issues/433) — `How to reuse functionality of a (generic) dataset?` — created 2020-07-24T17:27:37Z

## Methodology

- Source: snapshot of the `huggingface/datasets` issue tracker (`github-issues-corpus.jsonl`, 3,019 records).
- Filters: `state == open`, not a pull request, `labels == []`.
- Sort: ascending by `created_at` (oldest first), top 5 taken.

_Note: issue titles above are quoted verbatim in code spans to avoid unintended cross-references in this repository._

Open upstream issues #373, #375, #376, #413, and #433 in huggingface/datasets and review each issue's current status and context. Done means categorizing and labeling each issue upstream, then checking off the corresponding workboard entries.

Written by the indexing model from the issue text.