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

ideastatica-connection-api
25.1.0.2640

This version was deleted from PyPI around 2025-10-06. Installing fails with:
$ pip3 install ideastatica-connection-api==25.1.0.2640 ERROR: Could not find a version that satisfies the requirement ideastatica-connection-api==25.1.0.2640

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/2025-10-05/ \ ideastatica-connection-api==25.1.0.2640
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Or, download files manually

And install manually via pip: