Equality check of some signal instances fail

PySide2 5.15.2
c.signal: True
push_button.clicked: False

PyQt5 5.15.2
c.signal: True
push_button.clicked: True

try:
    from PySide2 import __version__
    from PySide2 import QtCore
    from PySide2 import QtWidgets
    print('PySide2', __version__)
    Signal = QtCore.Signal
except ImportError:
    from PyQt5 import QtCore
    from PyQt5 import QtWidgets
    print('PyQt5', QtCore.PYQT_VERSION_STR)
    Signal = QtCore.pyqtSignal


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


def main():
    application = QtWidgets.QApplication([])
    c = C()
    print('c.signal:', c.signal == c.signal)
    push_button = QtWidgets.QPushButton()
    print('push_button.clicked:', push_button.clicked == push_button.clicked)


main()