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

gcal2redmine
0.3.0.post2

This version was deleted from PyPI around 2026-05-29. Installing fails with:
$ pip3 install gcal2redmine==0.3.0.post2 ERROR: Could not find a version that satisfies the requirement gcal2redmine==0.3.0.post2

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/2026-05-28/ \ gcal2redmine==0.3.0.post2
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Or, download files manually

And install manually via pip: