def mapper_final(self):
        # hook for test_local.LocalRunnerSetupTestCase.test_python_archive()
        try:
            import foo
            foo # quiet pyflakes warning
        except __HOLE__:
            pass

        for dirpath, _, filenames in os.walk('.'):
            for filename in filenames:
                path = os.path.join(dirpath, filename)
                size = os.path.getsize(path)
                yield path, size
dataset/ETHPy150Open Yelp/mrjob/tests/mr_os_walk_job.py/MROSWalkJob.mapper_final