def _raw_input(self, prompt=''):
        raise NotImplementedError
Ensure file is cached to correct location
dataset/ETHPy150Open ipython/ipython-py3k/IPython/deathrow/gui/wx/ipshell_nonblocking.py/NonBlockingIPShell._raw_input--crossover with--dataset/ETHPy150Open saltstack/salt/tests/integration/fileclient_test.py/FileclientTest.test_cache_file