You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
hexdeclink was reported malicious
OSV:MAL-2025-191757 - Malicious code in hexdeclink (PyPI)

hexdeclink
0.0.1

This version was deleted from PyPI around 2025-12-03. Installing fails with:
$ pip3 install hexdeclink==0.0.1 ERROR: Could not find a version that satisfies the requirement hexdeclink==0.0.1
View other deleted versions of hexdeclink

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/2025-12-02/ \ hexdeclink==0.0.1
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
hexdeclink-0.0.1-py3-none-any.whl (3.0KB)
hexdeclink-0.0.1.tar.gz (2.8KB)