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

tremolo
0.0.800

This version was deleted from PyPI around 2024-12-10. Installing fails with:
$ pip3 install tremolo==0.0.800 ERROR: Could not find a version that satisfies the requirement tremolo==0.0.800
View other deleted versions of tremolo

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/2024-12-09/ \ tremolo==0.0.800
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Or, download files manually

And install manually via pip:
tremolo-0.0.800-py3-none-any.whl (41.4KB)
tremolo-0.0.800.tar.gz (35.5KB)