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

carbon-simulator
2.2.6

This version was deleted from PyPI around 2026-06-30. Installing fails with:
$ pip3 install carbon-simulator==2.2.6 ERROR: Could not find a version that satisfies the requirement carbon-simulator==2.2.6
View other deleted versions of carbon-simulator

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/2026-06-29/ \ carbon-simulator==2.2.6
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
carbon_simulator-2.2.6-py3-none-any.whl (125.5KB)
carbon_simulator-2.2.6-py3.8.egg (288.8KB)
carbon-simulator-2.2.6.tar.gz (102.4KB)