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Type: Bug
Resolution: Invalid
Priority: P3: Somewhat important
Fix Version/s: None
Affects Version/s: 6.3.1
Component/s: PySide
Labels:
None

With multiple QObject parents, Sort Warning is raised when a signal from one of the parents is connected to function, and the subclass' slots are connected afterwards

from PySide6 import QtCore

class Object(QtCore.QObject):
    signal = QtCore.Signal()

class OtherObject(QtCore.QObject):
    0

class SubclassObject(OtherObject, Object):
    def slot(self):
        0

app = QtCore.QCoreApplication()
obj = SubclassObject()
app.aboutToQuit.connect(obj.slot) # random signal
obj.signal.connect(print)
app.exec()

causes

*** Sort Warning ***
Signals and slots in QMetaObject 'SubclassObject' are not ordered correctly, this may lead to issues.
1 Slot slot()
2! Signal signal()
obj.signal.connect(print)