2022-06-26, 22:38
The addon is trying to use Python 2, which is only for Leia (v18) and earlier. Matrix (v19) uses Python 3, which is not backward compatible (Python 2 is depreciated and no longer supported).
You would need a version of the addon written in Python 3, and all of its dependencies also need to be Python 3 ones.
Offhand I don't know if there is such a version of this addon (the comments above seem to indicate that the Matrix version has issues), but an old Python 2 version (which it looks like you're trying to install) will not work.
You would need a version of the addon written in Python 3, and all of its dependencies also need to be Python 3 ones.
Offhand I don't know if there is such a version of this addon (the comments above seem to indicate that the Matrix version has issues), but an old Python 2 version (which it looks like you're trying to install) will not work.