New issue by hervyqa on void-packages repository

https://github.com/void-linux/void-packages/issues/37145

Description:
https://github.com/gaphor/gaphor

Gaphor (GTK+) is a UML and SysML modeling application written in Python. It is designed to be easy to use, while still being powerful. Gaphor implements a fully-compliant UML 2 data model, so it is much more than a picture drawing tool. You can use Gaphor to quickly visualize different aspects of a system as well as create complete, highly complex models.

![img](https://gaphor.org/images/screenshot-interaction.png)
![img](https://gaphor.org/images/screenshot-dark-mode.png)