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

wptherml
1.11b0

This version was deleted from PyPI around 2025-03-09. Installing fails with:
$ pip3 install wptherml==1.11b0 ERROR: Could not find a version that satisfies the requirement wptherml==1.11b0
View other deleted versions of wptherml

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/2025-03-08/ \ wptherml==1.11b0
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Or, download files manually

And install manually via pip:
wptherml-1.11b0-py3-none-any.whl (1.1MB)
wptherml-1.11b0-py3.7.egg (1.1MB)
wptherml-1.11b0.tar.gz (3.3MB)