The parquet files are deleted when the duckdb file is created
See https://huggingface.co/datasets/jslin09/wikisource_tw/commit/81a728d6be9f0334dd63fcb26750ff3b958057c3

<img width="1563" alt="Capture d’écran 2024-01-29 à 10 26 48" src="https://github.com/huggingface/datasets-server/assets/1676121/e607e060-8ed5-4955-90f9-19a52d148fe4">

Possibly related to https://github.com/huggingface/datasets-server/pull/2308.

The parquet files are deleted when the duckdb file is created: See https://huggingface.co/datasets/jslin09/wikisource_tw/commit/81a728d6be9f0334dd63fcb26750ff3b958057c3

<img width="1563" alt="Capture d’écran 2024-01-29 à 10 26 48" src="https://github.com/huggingface/datasets-server/assets/1676121/e607e060-8ed5-4955-90f9-19a52d148fe4">

Possibly related to https://github.com/huggingface/datasets-server/pull/2308.
