@let_now
def os_cwd(self):
    mock = self.patch('os.getcwd')
    mock.return_value = '/path/to/where/ever/we/are'
    return mock
@let_now
def os_cwd(self):
    mock = self.patch('os.getcwd')
    mock.return_value = '/path/to/where/ever/we/are'
    return mock