def get_history_length(self ):
        return self._history.get_history_length()
Check that empty args triggers help.
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/site-packages/pyreadline/rlmain.py/Readline.get_history_length--crossover with--dataset/ETHPy150Open cjerdonek/open-rcv/openrcv/test/scripts/test_run.py/NonExitingMainTest.test_empty_args