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

ha-synthetic-sensors
1.0.4

This version was deleted from PyPI around 2025-06-24. Installing fails with:
$ pip3 install ha-synthetic-sensors==1.0.4 ERROR: Could not find a version that satisfies the requirement ha-synthetic-sensors==1.0.4
View other deleted versions of ha-synthetic-sensors

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/2025-06-23/ \ ha-synthetic-sensors==1.0.4
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Or, download files manually

And install manually via pip:
ha_synthetic_sensors-1.0.4-py3-none-any.whl (68.0KB)
ha_synthetic_sensors-1.0.4.tar.gz (65.4KB)