You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
tensxxfxxk was reported malicious
OSV:MAL-2024-6102 - Malicious code in tensxxfxxk (PyPI)

tensxxfxxk
2.12

This version was deleted from PyPI around 2024-06-15. Installing fails with:
$ pip3 install tensxxfxxk==2.12 ERROR: Could not find a version that satisfies the requirement tensxxfxxk==2.12
View other deleted versions of tensxxfxxk

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/2024-06-14/ \ tensxxfxxk==2.12
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Or, download files manually

And install manually via pip:
tensxxfxxk-2.12.tar.gz (1.5KB)