Fehlermeldung nach Plugin-Update #3

Couldn't load plugin 'm150xml' due to an error when calling its classFactory() method 

SyntaxError: invalid syntax 
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/qgis/utils.py", line 478, in _startPlugin
    plugins[packageName] = package.classFactory(iface)
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/ludwig/.local/share/QGIS/QGIS3/profiles/default/python/plugins/m150xml/__init__.py", line 36, in classFactory
    from .m150xml import m150xml
  File "/usr/lib/python3/dist-packages/qgis/utils.py", line 1100, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/ludwig/.local/share/QGIS/QGIS3/profiles/default/python/plugins/m150xml/m150xml.py", line 33, in 
    from .m150xml_dialog import m150xmlDialog
  File "/usr/lib/python3/dist-packages/qgis/utils.py", line 1100, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/ludwig/.local/share/QGIS/QGIS3/profiles/default/python/plugins/m150xml/m150xml_dialog.py", line 32, in 
    FORM_CLASS, _ = uic.loadUiType(os.path.join(
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/qgis/PyQt/uic/__init__.py", line 36, in __loadUiType
    return __PyQtLoadUiType(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/PyQt5/uic/__init__.py", line 207, in loadUiType
    exec(code_string.getvalue(), ui_globals)
  File "", line 7
    M150XmlDialog.setWindowModality(QtCore.Qt.Qt::WindowModality::NonModal)
                                                ^
SyntaxError: invalid syntax


Python version: 3.12.3 (main, Mar 23 2026, 19:04:32) [GCC 13.3.0] 
QGIS version: 3.44.7-Solothurn Solothurn, ea262bc5ed8 

Python Path:
/usr/share/qgis/python
/home/ludwig/.local/share/QGIS/QGIS3/profiles/default/python
/home/ludwig/.local/share/QGIS/QGIS3/profiles/default/python/plugins
/usr/share/qgis/python/plugins
/usr/lib/python312.zip
/usr/lib/python3.12
/usr/lib/python3.12/lib-dynload
/home/ludwig/.local/lib/python3.12/site-packages
/usr/local/lib/python3.12/dist-packages
/usr/lib/python3/dist-packages
/usr/lib/python3.12/dist-packages
/home/ludwig/.local/share/QGIS/QGIS3/profiles/default/python