How to use the gooey.gui.pubsub.pub.send_message function in Gooey

def _forward_stdout(self, process):
        '''
        Reads the stdout of `process` and forwards lines and progress
        to any interested subscribers
        '''
        while True:
            line = process.stdout.readline()
            if not line:
                break
            _progress = self._extract_progress(line)
            pub.send_message(events.PROGRESS_UPDATE, progress=_progress)
            if _progress is None or self.hide_progress_msg is False:
                pub.send_message(events.CONSOLE_UPDATE,
                                 msg=line.decode(self.encoding))
        pub.send_message(events.EXECUTION_COMPLETE)

def _forward_stdout(self, process):
        '''
        Reads the stdout of `process` and forwards lines and progress
        to any interested subscribers
        '''
        while True:
            line = process.stdout.readline()
            if not line:
                break
            _progress = self._extract_progress(line)
            pub.send_message(events.PROGRESS_UPDATE, progress=_progress)
            if _progress is None or self.hide_progress_msg is False:
                pub.send_message(events.CONSOLE_UPDATE,
                                 msg=line.decode(self.encoding))
        pub.send_message(events.EXECUTION_COMPLETE)

def dispatch_click(self, event):
        pub.send_message(event.GetId())

def dispatch_click(self, event):
    pub.send_message(str(event.GetId()))
    event.Skip()