def flush(self):
        """
        Wait until history is read but no more than 10 cycles
        in case a browser session is closed.
        """
        i = 0
        while self._frame_data.is_dirty and i < 10:
            i += 1
            time.sleep(0.1)
def flush ( self ) : i = 0 while self . _frame_data . is_dirty and i < 10 : i += 1 time . sleep ( 0.1 )
Wait until history is read but no more than 10 cycles
        in case a browser session is closed.