You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

nexuslab-data-core
0.0.1a1

This version was deleted from PyPI around 2026-05-16. Installing fails with:
$ pip3 install nexuslab-data-core==0.0.1a1 ERROR: Could not find a version that satisfies the requirement nexuslab-data-core==0.0.1a1
View other deleted versions of nexuslab-data-core

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2026-05-15/ \ nexuslab-data-core==0.0.1a1
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Or, download files manually

And install manually via pip:
nexuslab_data_core-0.0.1a1-py3-none-any.whl (119.0KB)