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

fastpluggy-tasks-worker
0.3.123

This version was deleted from PyPI around 2025-10-17. Installing fails with:
$ pip3 install fastpluggy-tasks-worker==0.3.123 ERROR: Could not find a version that satisfies the requirement fastpluggy-tasks-worker==0.3.123
View other deleted versions of fastpluggy-tasks-worker

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/2025-10-16/ \ fastpluggy-tasks-worker==0.3.123
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Or, download files manually

And install manually via pip:
fastpluggy_tasks_worker-0.3.123-py3-none-any.whl (143.3KB)
fastpluggy_tasks_worker-0.3.123.tar.gz (112.3KB)