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

trajectopy-core
2.4.4

This version was deleted from PyPI around 2024-12-07. Installing fails with:
$ pip3 install trajectopy-core==2.4.4 ERROR: Could not find a version that satisfies the requirement trajectopy-core==2.4.4
View other deleted versions of trajectopy-core

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/2024-12-06/ \ trajectopy-core==2.4.4
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Or, download files manually

And install manually via pip:
trajectopy_core-2.4.4-py3-none-any.whl (214.6KB)
trajectopy_core-2.4.4.tar.gz (190.2KB)