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

gnatwriter
0.1.10

This version was deleted from PyPI around 2024-06-11. Installing fails with:
$ pip3 install gnatwriter==0.1.10 ERROR: Could not find a version that satisfies the requirement gnatwriter==0.1.10
View other deleted versions of gnatwriter

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/2024-06-10/ \ gnatwriter==0.1.10
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Or, download files manually

And install manually via pip:
gnatwriter-0.1.10-py3-none-any.whl (104.3KB)
gnatwriter-0.1.10.tar.gz (57.3KB)