[Bug]: Curated dataset download returns 404

[xraywu]

What happened?

It seemed that the curated dataset no longer exists from the original paperbanana repo.

Steps to reproduce

1. Run paperbanana data download --curated
2. It will return 404

Input used

paperbanana data download --curated

Expected behavior

Curated dataset downloaded

Actual output or error

PaperBanana — Downloading Curated Expansion                   
                                                              
2026-05-07 16:03:32 [info     ] Downloading curated expansion set...
  ● Downloading curated expansion set...

Error: Failed to download curated expansion from
https://huggingface.co/datasets/dwzhu/PaperBananaBench/resolve
/main/CuratedExpansion.zip — the artifact may not be published
yet. Original error: Client error '404 Not Found' for url     
'https://huggingface.co/datasets/dwzhu/PaperBananaBench/resolv
e/main/CuratedExpansion.zip'
For more information check:
https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404

Operating system

Windows 11

Python version

3.12

PaperBanana version or commit hash

1d0ca44