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

tmux-trainsh
26.319.940

This version was deleted from PyPI around 2026-03-21. Installing fails with:
$ pip3 install tmux-trainsh==26.319.940 ERROR: Could not find a version that satisfies the requirement tmux-trainsh==26.319.940
View other deleted versions of tmux-trainsh

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/2026-03-20/ \ tmux-trainsh==26.319.940
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Or, download files manually

And install manually via pip:
tmux_trainsh-26.319.940-py3-none-any.whl (256.0KB)
tmux_trainsh-26.319.940.tar.gz (204.7KB)