You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
blastchamber-python-pypi was reported malicious
OSV:MAL-2025-192891 - Malicious code in blastchamber-python-pypi (PyPI)

blastchamber-python-pypi
0.2.2

This version was deleted from PyPI around 2025-11-15. Installing fails with:
$ pip3 install blastchamber-python-pypi==0.2.2 ERROR: Could not find a version that satisfies the requirement blastchamber-python-pypi==0.2.2
View other deleted versions of blastchamber-python-pypi

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/2025-11-14/ \ blastchamber-python-pypi==0.2.2
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:
blastchamber_python_pypi-0.2.2.tar.gz (0.9KB)