This was a special port, required by removed www/caldarserver.
It uses deprecated python27 and is no longer needed.
Please remove from ports tree.
A commit references this bug:
Date: Tue Nov 3 03:49:27 UTC 2020
New revision: 553948
The only port (www/caldarserver) requires it is deleted and uses deprecated
version of python
Submitted by: Axel.Rau@Chaos1.DE (maintainer)