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

report-core
0.3.1

This version was deleted from PyPI around 2024-12-19. Installing fails with:
$ pip3 install report-core==0.3.1 ERROR: Could not find a version that satisfies the requirement report-core==0.3.1
View other deleted versions of report-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/2024-12-18/ \ report-core==0.3.1
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Or, download files manually

And install manually via pip:
report_core-0.3.1-cp312-cp312-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl (1.9MB)
report_core-0.3.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (1.1MB)
report_core-0.3.1-cp313-cp313-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl (1.9MB)
report_core-0.3.1-cp313-cp313-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (1.1MB)
report_core-0.3.1.tar.gz (33.6KB)