    def get_key(self):
        """
        Check for a key without waiting.  This method is deprecated.  Use
        :py:meth:`.get_event` instead.
        """
        event = self.get_event()
        if event and isinstance(event, KeyboardEvent):
            return event.key_code
        return None
Check for a key without waiting.  This method is deprecated.  Use
:py:meth:`.get_event` instead.
asciimatics/screen.py