def do_stop(self, arg):
        ActorSystem().shutdown()
        if self.system:
            print ('Erasing previous ActorSystem')
            del self.system
            self.system = None
Returns current line number within a string, counting newlines as line separators.
dataset/ETHPy150Open godaddy/Thespian/thespian/shell.py/ThespianShell.do_stop--crossover with--dataset/ETHPy150Open ipython/ipython-py3k/IPython/external/pyparsing/_pyparsing.py/lineno