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

gs-coordinator
0.27.0a20240330

This version was deleted from PyPI around 2024-04-11. Installing fails with:
$ pip3 install gs-coordinator==0.27.0a20240330 ERROR: Could not find a version that satisfies the requirement gs-coordinator==0.27.0a20240330
View other deleted versions of gs-coordinator

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/2024-04-10/ \ gs-coordinator==0.27.0a20240330
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Or, download files manually

And install manually via pip:
gs_coordinator-0.27.0a20240330-py2.py3-none-any.whl (98.5KB)
gs_coordinator-0.27.0a20240330-py2.py3-none-macosx_12_0_x86_64.whl (99.8KB)