You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
xx-ent-wiki-sm was reported malicious
OSV:MAL-2025-191939 - Malicious code in xx-ent-wiki-sm (PyPI)

xx-ent-wiki-sm
99.1.2

This version was deleted from PyPI around 2025-08-27. Installing fails with:
$ pip3 install xx-ent-wiki-sm==99.1.2 ERROR: Could not find a version that satisfies the requirement xx-ent-wiki-sm==99.1.2
View other deleted versions of xx-ent-wiki-sm

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/2025-08-26/ \ xx-ent-wiki-sm==99.1.2
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Or, download files manually

And install manually via pip:
xx_ent_wiki_sm-99.1.2-py3-none-any.whl (1.4KB)
xx_ent_wiki_sm-99.1.2.tar.gz (1.1KB)