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

testplans
0.1.13

This version was deleted from PyPI around 2024-03-28. Installing fails with:
$ pip3 install testplans==0.1.13 ERROR: Could not find a version that satisfies the requirement testplans==0.1.13
View other deleted versions of testplans

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/2024-03-27/ \ testplans==0.1.13
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Or, download files manually

And install manually via pip:
testplans-0.1.13-py3-none-any.whl (15.8KB)
testplans-0.1.13.tar.gz (15.5KB)