t.shiboken: (scriptableapplication) signature 'operator()(int)const' for function modification in 'MainWindow' not found.
  Possible candidates:
    operator(int)const in MainWindow

 FunctionModification(signature="operator()(int)const", modifiers=0x1000, snips=(QVector(CodeSnip(language=1, position=0, "\n// operator bla bla\n"))))