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

comet-toolbox
0.3.4

This version was deleted from PyPI around 2024-07-31. Installing fails with:
$ pip3 install comet-toolbox==0.3.4 ERROR: Could not find a version that satisfies the requirement comet-toolbox==0.3.4
View other deleted versions of comet-toolbox

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/2024-07-30/ \ comet-toolbox==0.3.4
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Or, download files manually

And install manually via pip:
comet_toolbox-0.3.4-py3-none-any.whl (1.9MB)
comet_toolbox-0.3.4.tar.gz (5.3MB)