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

text-fabric
12.0.6

This version was deleted from PyPI around 2023-10-30. Installing fails with:
$ pip3 install text-fabric==12.0.6 ERROR: Could not find a version that satisfies the requirement text-fabric==12.0.6
View other deleted versions of text-fabric

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/2023-10-29/ \ text-fabric==12.0.6
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Or, download files manually

And install manually via pip:
text_fabric-12.0.6-py3-none-any.whl (11.6MB)
text-fabric-12.0.6.tar.gz (16.8MB)