Does not work under debian 13

[Unixware]

if the dev has a clue what's the issue... thanks

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/chris/.local/bin/mymcplusplus", line 7, in
sys.exit(main())
~~~~^^
File "/home/chris/.local/share/pipx/venvs/mymcplusplus/lib/python3.13/site-packages/mymcplusplus/mymc.py", line 737, in main
gui.run()
~~~~~~~^^
File "/home/chris/.local/share/pipx/venvs/mymcplusplus/lib/python3.13/site-packages/mymcplusplus/gui/gui.py", line 562, in run
frame = GuiFrame(None, "mymc++", filename)
File "/home/chris/.local/share/pipx/venvs/mymcplusplus/lib/python3.13/site-packages/mymcplusplus/gui/gui.py", line 194, in init
icon_win = IconWindow(info_win, self)
File "/home/chris/.local/share/pipx/venvs/mymcplusplus/lib/python3.13/site-packages/mymcplusplus/gui/icon_window.py", line 132, in init
if glcanvas.GLCanvas.IsDisplaySupported(al):
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^
SystemError: returned a result with an exception set