def test_do_reload_error(self, reload: MagicMock, os_path: MagicMock):
        """Should fail to import the specified module and so return False."""
        target = MagicMock()
        target.__file__ = None
        target.__path__ = ['fake']
        os_path.getmtime.return_value = 10
        reload.side_effect = ImportError('FAKE')
        self.assertFalse(reloading.do_reload(target, 0))
        self.assertEqual(1, reload.call_count)