Python 2.7 was removed from macOS in this update. Developers should use Python 3 or an alternative language instead. (39795874)
so it’s not likely installed unless you’ve installed it. I don’t have a Mac, but user manual advises:
To use the tray icon, you currently have to install python3 (you can check that by running /usr/bin/python3)
Google search finds some resources such as
How to Install python and pip on Mac | Updated 2023 | Amit Thinks video, but further search has web pages too. Something from 2023 or later might be nice, as macOS removed Python in 2022.
If anyone with a Mac would care to help, feel free. As a side note, I think the next major Duplicati move to .NET 8 should remove some of the difficulty of getting Duplicati up on Linux and macOS.