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

thermolib
0.5.0

This version was deleted from PyPI around 2025-02-09. Installing fails with:
$ pip3 install thermolib==0.5.0 ERROR: Could not find a version that satisfies the requirement thermolib==0.5.0
View other deleted versions of thermolib

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/2025-02-08/ \ thermolib==0.5.0
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Or, download files manually

And install manually via pip:
thermolib-0.5.0-cp38-none-win_amd64.whl (230.9KB)
thermolib-0.5.0.tar.gz (20.8KB)