Assembly4 stopped working on recent daily updates 'QtCore' is not defined

[Eksterminator]

19:55:36 name 'QtCore' is not defined
19:55:36 Traceback (most recent call last):
File "C:\Users\Me\AppData\Roaming\FreeCAD\Mod\Assembly4.\InitGui.py", line 100, in Initialize
msgBox.setWindowFlags( QtCore.Qt.WindowStaysOnTopHint )
^^^^^^

[adrianinsaval]

This is an assembyl4 issue, report it there. It's not importing QtCore
https://github.com/Zolko-123/FreeCAD_Assembly4/blob/224d9e2de4e3b43ed9f07b635537dea7159f9fec/InitGui.py#L93-L104

either way it seems he's unwilling to update his workbench to work with the latests versions of freecad so you won't get far there