Python3: Errors in bindings taking a const char * argument (expects unicode)

python3 examples/dialogs/classwizard/classwizard.py 
Traceback (most recent call last):
  File "examples/dialogs/classwizard/classwizard.py", line 46, in <module>
    import classwizard_rc
  File "/data1/fkleint/pyside-setup/sources/pyside2-examples/examples/dialogs/classwizard/classwizard_rc.py", line
 3887, in <module>
    qInitResources()
  File "/data1/fkleint/pyside-setup/sources/pyside2-examples/examples/dialogs/classwizard/classwizard_rc.py", line
 3882, in qInitResources
    QtCore.qRegisterResourceData(0x01, qt_resource_struct, qt_resource_name, qt_resource_data)
TypeError: 'qRegisterResourceData' called with wrong argument types:
  qRegisterResourceData(int, str, str, str)
Supported signatures:
  qRegisterResourceData(int, unicode, unicode, unicode)

python3 fortuneserver.py  &
[1] 32129
(testenv) .../pyside-setup/sources/pyside2-examples/examples/network$ python3 fortuneclient.py
Traceback (most recent call last):
  File "fortuneserver.py", line 107, in sendFortune
    out.writeString(fortune)
TypeError: 'PySide2.QtCore.QDataStream.writeString' called with wrong argument types:
  PySide2.QtCore.QDataStream.writeString(bytes)
Supported signatures:
  PySide2.QtCore.QDataStream.writeString(unicode)