Returns the most recent :class:`StreamingQueryProgress` update of this streaming query or
        None if there were no progress updates
        :return: a map

def lastProgress(self):
        """
        Returns the most recent :class:`StreamingQueryProgress` update of this streaming query or
        None if there were no progress updates
        :return: a map
        """
        lastProgress = self._jsq.lastProgress()
        if lastProgress:
            return json.loads(lastProgress.json())
        else:
            return None