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

biosynth-tool
1.0.9

This version was deleted from PyPI around 2025-12-08. Installing fails with:
$ pip3 install biosynth-tool==1.0.9 ERROR: Could not find a version that satisfies the requirement biosynth-tool==1.0.9
View other deleted versions of biosynth-tool

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/2025-12-07/ \ biosynth-tool==1.0.9
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:
biosynth_tool-1.0.9-py3-none-any.whl (61.0KB)
biosynth_tool-1.0.9.tar.gz (45.4KB)