@pyqtSlot(str, result=str)
def init_home(self, str_args):
    print('call received')
    print('resolving......init home..')
    print(str_args)
    return 'hello, Python'
@pyqtSlot(str, result=str)
def init_home(self, str_args):
    print('call received')
    print('resolving......init home..')
    print(str_args)
    return 'hello, Python'